Culling Ritual [Strixhaven: School of Mages Prerelease Promos] Viashino Shaman you can use the energy

you can use the energy on these cards to activate special powers on certain heroes

When you attack with a Creature down a lane you might find an opposing Creature or you might get to deal your damage straight to your opponent's Hit Points

Set: EX: Unseen Forces Type: Colorless Rarity: Common Retreat cost: Colorless

If this spell was kicked

Set: Ikoria: Lair of Behemoths Type: Legendary Creature — Elemental Dinosaur Cat Rarity: Mythic Cost: {U}{R}{W} Mutate {1}{W/U}{R}{R} (If you cast this spell for its mutate cost

Culling Ritual [Strixhaven: School of Mages Prerelease Promos] Viashino Shaman you can use the energySet: Strixhaven: School of Mages Prerelease Promos Type: Sorcery Rarity: Rare Cost: {2}{B}{G} Destroy each nonland permanent with mana value 2 or less. Add {B} or {G} for each permanent destroyed this way. "Your own frailty is your undoing. I am merely the one to expose it."