GGGGGGGGG
Creature - Beast (1/2)
When ~this~ is put into a graveyard from the battlefield, you may pay X green mana, where X is the number of poison counters an opponent has. If you do, put a warp counter on target creature
Each permanent with a warp counter on it is black
poisonous 2
Whenever ~this~ deals combat damage to a creature, tap that creature and it doesn't untap during its controller's next untap step.
--His rope grounds even one word yet interferes more profoundly than the mightiest twig
But her shop proves better than even the most skilled fire
– Smeeshia, Knight of the Fell



3BBB
Creature - Rat Wizard (2/2)
Pay 3 life: destroy target nonblack creature
Discard a creature card: up to one target Rats are black until end of turn
--Her idea rallies a single acoustics and increases better than the plant could
– Folk Song (Trad.) I



RGW
Enchantment - Aura
Enchant creature
Sacrifice ~this~: target opponent reveals cards from the top of his or her library until that player reveals a land card, puts that card into play, and puts the rest on top of his or her library in any order
Whenever enchanted creature is turned face up, put a warp counter on ~this~
~this~ enters the battlefield with four warp counters on it
2, Discard a card, remove any number of warp counters from ~this~: add that many black mana to your mana pool.

AlexChurchill/MagicCardGenerator