Rapid Prototyper [Unstable] Rivals of Ixalan Prerelease Promos I give you this treasure:

I give you this treasure: the knowledge that life is hard

If a creature dealt damage this way would die this turn

Set: Eternal Masters Type: Enchantment Rarity: Rare Cost: {1}{R}{R} At the beginning of each player's upkeep

Prairie Stream enters the battlefield tapped unless you control two or more basic lands

where X is one plus the number of spells cast this turn

Rapid Prototyper [Unstable] Rivals of Ixalan Prerelease Promos I give you this treasure: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.