Némésis

You may sacrifice a Mountain rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn, where X is the number of Mounta...

If you control a Swamp, you may sacrifice a creature rather than pay this spell's mana cost. Creatures you control get +2/+0 until end of turn.

Until end of turn, if a player taps a nonbasic land for mana, it produces colorless mana instead of any other type.

If an opponent controls a Forest and you control an Island, you may cast this spell without paying its mana cost. Put target creature on top of it...

Until end of turn, target land becomes a 3/3 creature that's still a land.

If you control a Plains, you may tap an untapped creature you control rather than pay this spell's mana cost. Cast this spell only during combat. ...

Target creature can't be blocked this turn.

If an opponent controls a Mountain and you control a Plains, you may cast this spell without paying its mana cost. Prevent all damage that would be...

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost. Tap all creatures.

Cast this spell only during the declare blockers step. Attacking creatures become blocked. (This spell works on creatures that can't be blocked.)

Gain control of target creature with mana value X or less.

Until end of turn, if a player taps a nonbasic land for mana, it produces colorless mana instead of any other type.