Rapid Prototyper [Unstable] 194 Set: Duel Power Card type:

Set: Duel Power Card type: Synchro/Effect Monster Rarity: Ultra Rare Attack: 2500 Defense: 2000 1 Tuner + 1 or more non-Tuner monsters When a card or effect is activated that would destroy a card(s) on the field: You can Tribute this card

Set: Lord of the Tachyon Galaxy Card type: Effect Monster Rarity: Ultra Rare Attack: 2500 Defense: 2000 You can discard 4 other "Mermail" monsters to the Graveyard

then target 1 "Gouki" Link Monster in your GY

Set: 2015 Mega-Tins Mega Pack Card type: Effect Monster Rarity: Common Attack: 1400 Defense: 2000 If you control a "Melodious" monster

Set: Dominaria Prerelease Promos Type: Artifact Rarity: Rare Cost: {5} {T}: Add three mana of any one color

Rapid Prototyper [Unstable] 194 Set: Duel Power Card type:Set: Unstable Type: Artifact Contraption Rarity: Mythic Whenever you crank Rapid Prototyper, create an X X colorless Construct artifact creature token, where X is the number of artifacts you control.