Némésis

If an opponent controls an Island and you control a Mountain, you may cast this spell without paying its mana cost. Destroy target artifact.

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

Target creature can't attack or block this turn.

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 Mountai...

Target creature can't be blocked this turn.

If you control a Plains, you may tap an untapped creature you control rather than pay this spell's mana cost. All damage that would be dealt to tar...

Target creature gets +1/-1 and gains haste until end of turn.

Gain control of target creature with converted mana cost X or less.

If an opponent controls a Swamp and you control a Forest, you may cast this spell without paying its mana cost. Target player gains 6 life.

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.

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...

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. C...

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

You may return an Island you control to its owner's hand rather than pay this spell's mana cost. Counter target spell unless its controller pays {1}.

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 its...

You may return an Island you control to its owner's hand rather than pay this spell's mana cost. Counter target spell unless its controller pays {1}.

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

If an opponent controls an Island and you control a Mountain, you may cast this spell without paying its mana cost. Destroy target artifact.

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 an opponent controls a Swamp and you control a Forest, you may cast this spell without paying its mana cost. Target player gains 6 life.

If you control a Plains, you may tap an untapped creature you control rather than pay this spell's mana cost. All damage that would be dealt to ta...

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...