Stain the Mind

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature’s color.)
Choose a nonland card name. Search target player’s graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles their library.

Spontaneous Combustion

As an additional cost to cast this spell, sacrifice a creature.
Spontaneous Combustion deals 3 damage to each creature.

Spawn of Thraxes

Flying
When Spawn of Thraxes enters the battlefield, it deals damage to any target equal to the number of Mountains you control.

Unquenchable Fury

Each Minotaur can’t be blocked this turn except by two or more creatures.