Memnarchitect [Unknown Event] 053 A deck can have any

A deck can have any number of cards named Relentless Rats

interplanar threat

Set: XY: BREAKthrough Type: Lightning Rarity: Ultra Rare Retreat cost: 0

Set: Neo Revelation Unlimited Type: Fighting Rarity: Rare Retreat cost: Colorless

Memnarchitect [Unknown Event] 053 A deck can have anySet: Unknown Event Type: Creature Vedalken Artificer Rarity: Common Cost: {1}{U} Spells you cast have affinity for artifact creatures that weren't originally artifact creatures. (They cost 1 less to cast for each artifact creature you control that wasn't originally an artifact creature.) 1UU: Target permanent becomes an artifact in addition to its other types.