Corpse Dance [Tempest] Plains Swamp "Avacyn emerged from the broken

"Avacyn emerged from the broken Helvault

you can't be attacked except by creatures with flying and/or islandwalk

Whenever a creature dies

Whenever you cast a creature spell of the chosen type

Set: Onslaught Type: Sorcery Rarity: Rare Cost: {3}{B}{B} Each player chooses a creature type

Corpse Dance [Tempest] Plains Swamp "Avacyn emerged from the brokenSet: Tempest Type: Instant Rarity: Rare Cost: {2}{B} Buyback {2} (You may pay an additional {2} as you cast this spell. If you do, put this card into your hand as it resolves.) Return the top creature card of your graveyard to the battlefield. That creature gains haste until end of turn. Exile it at the beginning of the next end step.