Whir of Invention (Borderless) [Secret Lair Drop Series] Betrayers of Kamigawa

Whir of Invention (Borderless) [Secret Lair Drop Series] Betrayers of KamigawaSet: 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!"

Whenever another creature is put into your graveyard from the battlefield

Gruul raider

Set: Commander 2017 Type: Legendary Creature — Dragon Avatar Rarity: Mythic Cost: {4}{W}{U}{B}{R}{G} Eminence — As long as The Ur-Dragon is in the command zone or on the battlefield

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

Set: Pro Tour Promos Type: Legendary Creature — Eldrazi Rarity: Mythic Cost: {15} This spell can't be countered

"It's not just what you know

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

"why did Urza build it to be like me

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

Set: From the Vault: Dragons Type: Legendary Creature — Dragon Wizard Rarity: Rare Cost: {2}{U}{U}{R}{R} Flying

You gain life equal to the damage prevented this way

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