I'm going to take another run at the design skeleton, filling out more of the generalized categories and adding the reprints and new designs I'm happy with. With this out of the way, I can start looking more closely at what holes need filling.
To see what I'm doing, check out Mark Rosewater's article on the subject
here.
White
CW01 - Noble Escort (W) soldier, Lifelink 1/1
CW02 - Glory Seeker (1W) soldier, 2/2
CW03 - First-Gate Guards (3W) soldier, Vigilance 2/4
CW04 - creature, small, 3/1?
CW05 - creature, small, taps to buff
CW06 - creature, small, first strike
CW07 - creature, small, flying
CW08 - creature, small, flying, soldier?
CW09 - Wild Griffin (2W), Flying 2/2
CW10 - Blinding Mage (1W), WT: Tap Dude, 1/2
CW11 - creature, small, ETB gains life
CW12 - creature, medium, good blocker
CW13 - creature, medium, flying
CW14 - enchantment, pacifism/prison effect
CW15 - enchantment, creature buff
CW16 - instant, fog/safe passage effect
CW17 - instant/sorcery, artifact/enchantment removal
CW18 - instant, combat trick (all creatures)
CW19 - instant, combat trick (one creature)
CW20 - sorcery, conditional removal
UW01 - creature, knight
UW02 - Aven Strikeforce (1WW) soldier, flying, 3/1
UW03 - creature, medium lifelink
UW04 - creature, big flyer
UW05 - creature, junior lord
UW06 - enchantment, good creature buff
UW07 - sorcery, conditional reanimation?
UW08 - Celestial Purge (1W) instant, exile black or red perm
UW09 - conditional removal (prison or kill attacker)
RW01 - creature, big angel
RW02 - Frontline Recruiter (1WW) soldiers get +1/+1, T: make 1/1 soldier, 2/2
RW03 - creature, small, amazing utility dude
RW04 -
RW05 - Splashy Rare Cycle
RW06 - Honor of the Pure (1W) enchantment, white creatures you control get +1/+1
RW07 - Day of Judgment (2WW) sorcery, Destroy all creatures
RW08 - enchantment, makes rules
MW01 - creature, epic lord
MW02 -
Blue
CU01 - Maritime Guard (1U) merfolk 1/3
CU02 - Scroll Thief (2U) merfolk ophidian 1/3
CU03 - Tidal Ambushers (2U) Flash 2/2
CU04 - creature, small, ETB effect
CU05 - creature, small, flying
CU06 - creature, small, looter?
CU07 - creature, medium, high-flying
CU08 - creature, medium, good blocker
CU09 - Harbor Serpent (4UU) Islandwalk, can't attack w/o 5 islands, 5/5
CU10 -
CU11 - Mill?
CU12 - Mill?
CU13 - enchantment, bad creature buff
CU14 - enchantment, lock down creature
CU15 - instant/sorcery, card selection
CU16 - Divination (2U) sorcery, Draw 2 cards
CU17 - instant, bounce spell
CU18 - instant, combat trick
CU19 - instant, soft counter
CU20 - Cancel (1UU) instant, Counter target spell
UU01 - creature, interesting ETB ability
UU02 - creature, shroud dude
UU03 - creature, biggish flyer
UU04 - creature, interesting tap ability
UU05 - creature, cool wall
UU06 -
UU07 - enchantment, steals stuff
UU08 - Flashfreeze (1U) counter red or green spell
UU09 - instant/sorcery, complicated card draw
RU01 - creature, large flyer
RU02 - Merfolk Sovereign (1UU) merfolk get +1/+1, T: target merfolk unblockable, 2/2
RU03 - creature, leviathan of some sort
RU04 - creature
RU05 - Splashy Rare Cycle
RU06 -
RU07 - enchantment, dominating CA
RU08 - sorcery, big weird spell
MU01 -
MU02 -
Black
CB01 - creature, small rat
CB02 - Bog Raiders (2B) zombie, swampwalk, 2/2
CB03 - Gravedigger (3B) zombie, ETB return creature from GY to hand, 2/2
CB04 - Child of Night (1B) lifelink 2/1
CB05 - creature, small ETB discard
CB06 - Pact Imp (2B) ETB draw 1 lose 1, flying 1/1
CB07 - creature, small shade
CB08 - creature, small, flying
CB09 - creature, medium, 4/2?
CB10 - Rotting Legion (4B) ETB tapped 4/5
CB11 -
CB12 -
CB13 - enchantment, creature buff w/drawback
CB14 - sorcery, life drain
CB15 - instant, combat trick
CB16 - sorcery, creature recursion
CB17 - sorcery, choosable discard
CB18 - sorcery, multi-discard
CB19 - sorcery, -x/-x effect
CB20 - instant, creature kill
UB01 - creature, small, deathtouch
UB02 - Ravenous Ghoul (1B) zombie, Sac creatures for +1/+1 counters, 1/1
UB03 - creature, medium, drawback
UB04 - creature, small, flying zombie
UB05 - Pact Devil (2BB) ETB draw 2 lose 2, Intimidate, 2/2
UB06 - cool GY hate
UB07 - sorcery, tutor
UB08 - Deathmark (B) sorcery, kill white or green creature
UB09 - Rise from the Grave (4B) sorcery, reanimate creature from any GY as black zombie
RB01 - Pact Demon (2BBB) upkeep draw 1 lose 1, flying, trample, 4/4
RB02 - Cemetery Reaper (1BB) zombs get +1/+1, 2BT: exile C in GY to make 2/2 zomb, 2/2
RB03 - creature
RB04 - creature
RB05 - Splashy Rare Cycle
RB06 -
RB07 -
RB08 - big sorcery, counts swamps?
MB01 -
MB02 -
Red
CR01 - Goblin Mountaineer (R) mountainwalk, 1/1
CR02 - Goblin Piker (1R) 2/1
CR03 - Goblin Chariot (2R) haste, 2/2
CR04 - creature, small, first strike
CR05 - creature, small, firebreathing
CR06 - creature, small, ETB human
CR07 - creature, medium
CR08 - creature, medium, attacks always or can't block
CR09 - creature, small, bad flyer (aven?)
CR10 -
CR11 -
CR12 -
CR13 -
CR14 - sorcery, art/land destruction
CR15 - enchantment, conditional creature buff
CR16 - sorcery, prevent blockers
CR17 - instant, combat trick
CR18 - sorcery, player-only burn
CR19 - instant, small burn
CR20 - instant, larger burn
UR01 - creature, taps or sacs for damage
UR02 - creature, double strike?
UR03 - creature
UR04 - creature, dies at EOT
UR05 -
UR06 -
UR07 - instant/sorcery, 2 to each creature+player?
UR08 - Combust (1R) instant, 5 damage to W/U creature, cannot be prevented/countered
UR09 - instant, awesome burn
RR01 - creature, big dragon
RR02 - Goblin Tactician (1RR) Goblins get +1/+1, T: sac goblin for shock? 2/2
RR03 - creature, smashy giant
RR04 -
RR05 -
RR06 -
RR07 - damage sweeper
RR08 - big random splash spell
MRo1 -
MR02 -
Green
CG01 - creature, small plant wall
CG02 - creature, small
CG03 - creature, small
CG04 - creature, small
CG05 - Llanowar Elves (G) elf, T: add G to mana pool, 1/1
CG06 - Sylvan Ranger (1G) elf, ETB search for basic land to hand, 1/1
CG07 - creature, medium, life gain?
CG08 - Elvish War Party (2G) elf, Trample, 3/2
CG09 - creature, medium, reach
CG10 - creature, medium, deathtouch
CG11 - creature, large
CG12 - creature, large, trample
CG13 - creature, largest
CG14 - instant, fog?
CG15 - flying hate?
CG16 - sorcery, life gain cantrip?
CG17 - enchantment, interesting conditional buff
CG18 - sorcery, artifact/enchantment destruction
CG19 - instant, combat trick
CG20 - sorcery, land search
UG01 - creature
UG02 - Acidic Slime (3GG) ETB kill art/ench/land, deathtouch, 2/2
UG03 - creature
UG04 - Fecund Beast (3GG) draw card when it or other creature dies, 3/4
UG05 - creature, huge
UG06 -
UG07 - sorcery, Lure effect
UG08 - Autumn's Vale (G) instant, cannot be countered/targeted by blue/black spells
UG09 - enchantment, powerful buff aura
RG01 - creature, huge wurm
RG02 - Elvish Archdruid (1GG) elves get +1/+1, T: get G for each elf, 2/2
RG03 - creature, sweet 4/4 for 2GG
RG04 -
RG05 - Splashy rare cycle
RG06 -
RG07 - Overrun variant
RG08 -
MG01 -
MG02 -
Artifact
UA01 - creature, small
UA02 - creature, medium
UA03 - creature, large
UA04 -
UA05 - mana fixing
UA06 - life gain
UA07 - equipment
UA08 - equipment
UA09 - equipment
UA10 - equipment
RA01 - creature
RA02 - creature
RA03 -
RA04 -
RA05 - equipment
RA06 - equipment
Land
CL01 - 5-color mana fixing
RL01 - wu land
RL02 - ub land
RL03 - br land
RL04 - rg land
RL05 - gw land
RL06 - special ???
RL07 - special ???
Gold
UZ01 - W/U planeswalker signature spell
UZ02 - Liliana's Extortion (2UB) Sorcery, opponent discards 2 you draw 2
UZ03 - B/R planeswalker signature spell
UZ04 - Marik's Summons (1RG) Sorcery, get 3 1/1 elves or one 3/3 ogre
UZ05 - G/W planeswalker signature spell
MZ01 - W/U Planeswalker
MZ02 - Liliana the Hunted (2UB)
MZ03 - B/R Planeswalker
MZ04 - Marik of the Tribes (2RG)
MZ05 - G/W Planeswalker
DISCLAIMER: The fan-designed cards here are NOT produced or endorsed by Wizards of the Coast, Inc. Wizards of the Coast® and Magic: The Gathering® are registered trademarks of Wizards of the Coast, Inc.