Memnarchitect [Unknown Event] LGS201 Spend this mana only to

Spend this mana only to cast creature spells with mana value 4 or greater or creature spells with x in their mana costs

Set: XY: Ancient Origins Type: Colorless Rarity: Promo Retreat cost: Colorless

Then exile it

if there haven't been any subgames this match

Memnarchitect [Unknown Event] LGS201 Spend this mana only toSet: 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.