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Built to Smash | Instant | | Target attacking creature gets +3/+3 until end of turn. If it's an artifact creature, it gains trample until end of turn. | Svetlin Velinov
Chandra's Pyrohelix | Instant | | Chandra's Pyrohelix deals 2 damage divided as you choose among one or two targets. | Kieran Yanner
Fateful Showdown | Instant | | Fateful Showdown deals damage to any target equal to the number of cards in your hand. Discard all the cards in your hand, then draw that many cards. | Chris Rallis
Harnessed Lightning | Instant | | Choose target creature. You get {E}{E}{E} (three energy counters), then you may pay any amount of {E}. Harnessed Lightning deals that much damage to that creature. | Chris Rallis
Incendiary Sabotage | Instant | | As an additional cost to cast this spell, sacrifice an artifact.
Incendiary Sabotage deals 3 damage to each creature. | Ben Maier
Welding Sparks | Instant | | Welding Sparks deals X damage to target creature, where X is 3 plus the number of artifacts you control. | Raymond Swanland
Unlicensed Disintegration | Instant | | Destroy target creature. If you control an artifact, Unlicensed Disintegration deals 3 damage to that creature's controller. | Izzy
