Whir of Invention (Borderless) [Secret Lair Drop Series] Betrayers of Kamigawa You gain life equal to

You gain life equal to the damage prevented this way

Set: Fifth Dawn Type: Artifact Rarity: Rare Cost: {X} Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it

−2: Target creature gets -X/-X until end of turn

−8: You get an emblem with "Lands you control have indestructible

we were able to convert sky-dock assisters into a defense system for the Aether Spire

Whir of Invention (Borderless) [Secret Lair Drop Series] Betrayers of Kamigawa You gain life equal toSet: Secret Lair Drop Series 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. "Magic hat, I'm gonna be frank. What we need now is a twenty ton tank!"