GUUU
Legendary Artifact
When ~this~ enters the battlefield, target creature with both power and toughness 4 or less gets -4/+4 until end of turn and that creature gets -5/+2 until end of turn

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Land
1B, T: add two mana of any one colour to your mana pool. Spend this mana only on nonblack spells.
T: add 2 to your mana pool

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BRG
Creature - Human Rogue (1/1)
rampage 7
4RRR: ~this~ deals 1 damage to target blue creature for each poison counter you have
--Nature delays more effectively than the wisest toothbrush would
– Nicol Bolas, the great

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AlexChurchill/MagicCardGenerator