Clash of Wills

Devoid (This card has no color.) All creatures get -2/-2 until end of turn. If a creature would die this turn, exile it instead.

This land enters tapped. When this land enters, add one mana of any color. T: Add C. (C represents colorless mana.)

T: Add C. 4B, T, Sacrifice this land: Target opponent sacrifices a creature of their choice.

Destroy target artifact. Smash to Smithereens deals 3 damage to that artifact's controller.

Fiery Temper deals 3 damage to any target. Madness R (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Create a tapped 2/2 black Zombie creature token for each instant and sorcery card in your graveyard.

Search your library for up to two basic Forest cards, reveal those cards, and put one onto the battlefield tapped and the rest into your hand. Then shuffle. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, search your library for up to three basic Forest cards instead of two.

(C represents colorless mana.) Target creature gets +3/-3 until end of turn.