Finale of Devastation (Promo Pack) [War of the Spark Promos] 145 "I suppose you've never heard

"I suppose you've never heard of conservation of energy

or planeswalker

Battle doesn't need a purpose

Set: McDonald's Promos: 2018 Collection Type: Psychic Rarity: Promo Retreat cost: Colorless

Set: EX: Holon Phantoms Type: Psychic Rarity: Secret Rare Retreat cost: Colorless

Finale of Devastation (Promo Pack) [War of the Spark Promos] 145 "I suppose you've never heardSet: War of the Spark Promos Type: Sorcery Rarity: Mythic Cost: {X}{G}{G} Search your library and or graveyard for a creature card with mana value X or less and put it onto the battlefield. If you search your library this way, shuffle. If X is 10 or more, creatures you control get +X +X and gain haste until end of turn. Some spells sing a quiet tune. Others roar.