Riveting Rigger [Unstable] Amonkhet Prerelease Promos (Look at the top three

(Look at the top three cards of your library

Set: Champions of Kamigawa Type: Creature — Zubera Spirit Rarity: Common Cost: {1}{R} When Ember-Fist Zubera dies

*Of Elements and Eternity*

Set: Magic Origins Type: Creature — Elf Shaman Rarity: Common Cost: {1}{G} When Elvish Visionary enters the battlefield

Its controller may search their library for a basic land card

Riveting Rigger [Unstable] Amonkhet Prerelease Promos (Look at the top threeSet: Unstable Type: Artifact Creature Cyborg Rigger Rarity: Common Cost: {2}{W} When Riveting Rigger enters the battlefield, you may sacrifice another artifact. If you do, put two +1 +1 counters on Riveting Rigger and it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.) "Turn a blender into an arc welder with a portable fusion reactor and a frozen yogurt dispenser? We can do it!"