Heat Shimmer [Double Masters] Elf Mutant {1}: Mutavault becomes a 2/2

{1}: Mutavault becomes a 2/2 creature with all creature types until end of turn

Set: Ikoria: Lair of Behemoths Type: Enchantment — Aura Rarity: Rare Cost: {5}{G}{G} Enchant creature

Set: The Dark Type: Creature — Human Rarity: Uncommon Cost: {1}{B}{B}{B} Prevent all damage that would be dealt to Uncle Istvan by creatures

What these devices lacked in subtlety

Set: Double Masters Type: Creature — Elemental Rarity: Mythic Cost: {5}{G}{G} When Avenger of Zendikar enters the battlefield

Heat Shimmer [Double Masters] Elf Mutant {1}: Mutavault becomes a 2/2Set: Double Masters Type: Sorcery Rarity: Rare Cost: {2}{R} Create a token that's a copy of target creature, except it has haste and "At the beginning of the end step, exile this permanent." "Better to flare out than to gutter." Flamekin expression