Whir of Invention [Aether Revolt Prerelease Promos] Spirit Cleric sacrifice Dragon Whelp at the

sacrifice Dragon Whelp at the beginning of the next end step

(While they're phased out

" —Ulrich of Krallenhorde Pack

Sacrifice a permanent: You gain 1 life

Set: DCI Legend Membership Type: Instant Rarity: Rare Cost: {U}{U} Counter target spell

Whir of Invention [Aether Revolt Prerelease Promos] Spirit Cleric sacrifice Dragon Whelp at theSet: Aether Revolt Prerelease 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.