Tezzeret, Artifice Master [Core Set 2019 Prerelease Promos] XY40 Set: Sword & Shield: Evolving

Set: Sword & Shield: Evolving Skies Type: Psychic Rarity: Ultra Rare Retreat cost: Colorless

change Halfdane's base power and toughness to the power and toughness of target creature other than Halfdane until the end of your next upkeep

but not for the skill to wield it

Siamese twins

Tezzeret, Artifice Master [Core Set 2019 Prerelease Promos] XY40 Set: Sword & Shield: EvolvingSet: Core Set 2019 Prerelease Promos Type: Legendary Planeswalker Tezzeret Rarity: Mythic Cost: {3}{U}{U} +1: Create a 1 1 colorless Thopter artifact creature token with flying. 0: Draw a card. If you control three or more artifacts, draw two cards instead. 9: You get an emblem with "At the beginning of your end step, search your library for a permanent card, put it onto the battlefield, then shuffle your library."