Tezzeret, Artifice Master [Core Set 2019 Promos] World Magic Cup Qualifiers using their libraries as their

using their libraries as their decks

Set: Betrayers of Kamigawa Type: Instant — Arcane Rare Cost: {X}{U}{U} You may exile a blue card with converted mana cost X from your hand rather than pay this spell's mana cost

return it to its owner's hand

Set: Conspiracy Type: Enchantment Rare Cost: {G} You may play an additional land on each of your turns

Tezzeret, Artifice Master [Core Set 2019 Promos] World Magic Cup Qualifiers using their libraries as theirSet: Core Set 2019 Promos Type: Legendary Planeswalker Tezzeret 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."