Sneak Attack [Double Masters] Leviathan I felt my Planeswalker spark

I felt my Planeswalker spark flare beyond my body

Set: Ikoria: Lair of Behemoths Type: Legendary Creature — Beast Elemental Dinosaur Rarity: Mythic Cost: {2}{G}{U}{R} Mutate {3}{R/G}{U}{U} (If you cast this spell for its mutate cost

"Cranial explosions for everyone

If it's a Unicorn

(Put a +1/+1 counter on each of up to two other target creatures

Sneak Attack [Double Masters] Leviathan I felt my Planeswalker sparkSet: Double Masters Type: Enchantment Rarity: Mythic Cost: {3}{R} {R}: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.