Warhammer 40,000 Commander Decks

Strive — This spell costs {1} more to cast for each target beyond the first. Until end of turn, any number of target creatures each gain "Whenever ...

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color....

Destroy all creatures with power greater than target creature's power.

Create X 1/1 white Soldier creature tokens, where X is the number of creatures on the battlefield.

Nonland permanents your opponents control lose indestructible until end of turn. Destroy all nonland permanents.

Creatures you control get +2/+2 and gain vigilance and lifelink until end of turn.

Create a number of 3/3 green Tyranid Warrior creature tokens with trample equal to the number of opponents you have.