If an opponent has no cards in hand, this spell costs less to cast.
Flying

If an opponent controls at least four more creatures than you, this spell costs less to cast.
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

If you have 3 or less life, this spell costs less to cast.
Flying
This creature can block any number of creatures.

Search target player's library for up to seven cards and exile them. Then that player shuffles.

Creatures you control get +7/+7 until end of turn.

Target player's life total becomes 20.

Searing Wind deals 10 damage to any target.

Destroy all creatures you don't control. They can't be regenerated.