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Whenever a player casts a spell, that player discards a card.
Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.
Whenever a player casts a green or white spell, that player discards a card.
Flying
Whenever a player casts a nonblack spell, that player loses 1 life.
Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
Whenever a player casts a spell, sacrifice a creature.
As this enchantment enters, choose a color.
Whenever a player casts a spell of the chosen color, that player loses 1 life.
: Counter target black spell unless that spell's controller pays or .
Whenever a player casts a spell, you lose 1 life.
Whenever a player draws a card, that player loses 2 life unless they pay .
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Other creatures you control with infect get +1/+1.
Whenever you cast a creature spell with infect, target player gets a poison counter.
Whenever a player casts a Kithkin spell, you may have target player lose 1 life.
: Counter target spell unless its controller pays and 1 life.
Purraj has first strike as long as it's attacking.
Whenever a player casts a black spell, you may pay . If you do, put a +1/+1 counter on Purraj.
Whenever this creature deals damage to a player, that player gets a poison counter. (A player with ten or more poison counters loses the game.)
Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.
Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.)
Whenever an opponent casts a spell, put a -1/-1 counter on this creature.
Whenever this creature deals combat damage to a player, remove all -1/-1 counters from it.
Whenever a player casts a spell, that player discards X cards, where X is the number of cards in all graveyards with the same name as that spell.
: Until end of turn, whenever you cast a black spell, put a +1/+1 counter on this creature.