(B/R)(B/R)(B/R)(B/R)
Sorcery
target opponent gets 2 poison counters

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1U
Creature - Bird Rogue (2/2)
Flying
Whenever ~this~ becomes blocked by a creature, target opponent may pay X black mana, where X is the number of cards in an opponent's hand. If that player doesn't, up to Y target creatures can't be blocked except by Rogues until end of turn, where Y is the number of cards in your hand and those creatures get -4/-0 (This effect doesn't end)
--Her doom flees a single stove yet can crush the best treatment
Yet her rock fools better than the whispered toothpaste
– Anonymous (sic)

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3BBB
Sorcery - Generated
target green creature can't be blocked except by creatures until end of turn

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AlexChurchill/MagicCardGenerator