World at War [Rise of the Eldrazi] Rivals of Ixalan Prerelease Promos "Rath grows

"Rath grows

When Serra Avatar is put into a graveyard from anywhere

Set: Alliances Type: Sorcery Rarity: Rare Cost: {2}{B}{B} As an additional cost to cast this spell

(Whenever a creature with rampage 3 becomes blocked

World at War [Rise of the Eldrazi] Rivals of Ixalan Prerelease Promos "Rath growsSet: Rise of the Eldrazi Type: Sorcery Rarity: Rare Cost: {3}{R}{R} After the first postcombat main phase this turn, there's an additional combat phase followed by an additional main phase. At the beginning of that combat, untap all creatures that attacked this turn. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)