Whir of Invention [Aether Revolt Promos] Theros Face the Hydra if a creature or planeswalker

if a creature or planeswalker an opponent controlled was dealt excess damage this turn

and freak occurrences of sentience

Set: Fallout Type: Creature — Lizard Mutant Rarity: Uncommon Cost: {2}{B}{G} Menace (This creature can't be blocked except by two or more creatures

the conflicts between families escalated

Set: Fallout Type: Creature — Kraken Horror Rarity: Rare Cost: {5}{U}{U} Flash

Whir of Invention [Aether Revolt Promos] Theros Face the Hydra if a creature or planeswalkerSet: Aether Revolt Promos Type: Instant Rarity: Rare Cost: {X}{U}{U}{U} Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.