Whir of Invention [Aether Revolt Promos]Set: 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.

where X is the number of creature cards in your graveyard

the Infinite Gyre is put into a graveyard from anywhere

When you remove the last intervention counter from Divine Intervention

"Those who know do not talk

Set: Limited Edition Alpha Type: Creature — Wurm Rarity: Common Cost: {4}{G}{G} The most terrifying thing about the Craw Wurm is probably the horrible crashing sound it makes as it speeds through the forest

including the Xanathar’s personal thoughts on how to dispatch anyone foolish enough to interfere with his business dealings

Set: Modern Masters Type: Legendary Creature — Hydra Avatar Rarity: Mythic Cost: {W}{W}{U}{U}{B}{B}{R}{R}{G}{G} Protection from everything

you may discard a land card instead

you may search your library for an Elemental card

Set: Modern Masters Type: Artifact — Equipment Uncommon Cost: {0} Equipped creature has "{T}: Add one mana of any color

Set: Junior Super Series Type: Creature — Elf Rarity: Rare Cost: {1}{G}{G} Other Elf creatures get +1/+1 and have forestwalk

Enchanted creature has "{T}: Create X 1/1 red Elemental creature tokens with haste