Waves of Aggression (148) [Eventide] HarperPrism Book Promos the Extinguisher deals combat damage

the Extinguisher deals combat damage to a player

you draw a card and that opponent discards a card

Whenever you cast an Eldrazi creature spell with mana value 7 or greater

At the beginning of your next end step

"The land promises nothing and keeps its promise

Waves of Aggression (148) [Eventide] HarperPrism Book Promos the Extinguisher deals combat damageSet: Eventide Type: Sorcery Rarity: Rare Cost: {3}{R W}{R W} Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)