B
Creature - Rat (2/3)
When ~this~ enters the battlefield, regenerate target black creature and that creature is black until end of turn
All permanents are green
B: target creature with fear gets -5/-5 until end of turn
Whenever ~this~ deals combat damage to a creature, tap that creature and it doesn't untap during its controller's next untap step.
Whenever ~this~ blocks one or more creatures, you may pay 1BB. If you don't, put a doom counter on ~this~. If ~this~ has X or more doom counters on it, where X is your life total, flip it.
- - - - -
Legendary Creature - Rat (4/4)
4B: up to five target creatures get -1/-1 until end of turn

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RRR
Artifact Creature - Beast (1/3)
All artifacts gain protection from white
Whenever ~this~ blocks one or more creatures, you may pay 2. If you don't, ~this~ deals 4 damage to target creature or player
Whenever ~this~ blocks a creature, target land gains ''When ~this~ is put into a graveyard from the battlefield, you may pay 3. If you do, put a 4/4 red Beast creature token onto the battlefield'' until end of turn
T: attach target Equipment to target black creature. (Control of that Equipment doesn't change.)
--Just one toothbrush licks more profoundly than the best bath
– Folk Song (Trad.)

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B
Enchantment
As long as you control a permanent, All artifact creatures can't be blocked except by artifact creatures
all players may cast green spells without paying their mana cost

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AlexChurchill/MagicCardGenerator