Forced March

Destroy all creatures with mana value 3 or less.

Cleave (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.)

Destroy all creatures [with mana value 2 or less].

Destroy target creature with mana value 2 or less.

Cycling (, Discard this card: Draw a card.)

Each creature with mana value X or less loses all abilities until end of turn. Destroy those creatures.

Destroy target creature or planeswalker with mana value 3 or less.

Destroy target creature with mana value 3 or less. If it's your turn, create a Food token. (It's an artifact with ", , Sacrifice this token: You gain 3 life.")