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'{T}, Sacrifice this artifact: Exile target player's graveyard.
When this artifact is put into a graveyard from the battlefield, you may pay {B}. If you do, draw a card.
'Whenever an opponent casts a spell, that player sacrifices a permanent of their choice unless they pay {1}.
'Destroy each nonland permanent with mana value 2 or less. Add {B} or {G} for each permanent destroyed this way.
'Counter target noncreature spell unless its controller pays {2}.
'Whenever a player casts a spell, this enchantment deals 2 damage to that player.
'Flying
This creature enters prepared. (While it's prepared, you may cast a copy of its spell. Doing so unprepares it.)
'Whenever an opponent casts a spell, that player sacrifices a permanent of their choice unless they pay {1}.
'Whenever you cast a noncreature spell, this creature gets +1/+0 until end of turn and can't be blocked this turn.
'Counter target noncreature spell unless its controller pays {2}.
'Counter target noncreature spell unless its controller pays {2}.
'Counter target noncreature spell unless its controller pays {2}.
'Counter target spell with mana value X. (For example, if that spell's mana cost is {3}{U}{U}, X is 5.)