Teferi, Hero of Dominaria [Dominaria Prerelease Promos] Elf Scout Ranger The vats are self-contained worlds

The vats are self-contained worlds

Set: Ixalan Prerelease Promos Type: Artifact // Land Rarity: Rare Cost: {4} Instant and sorcery spells you cast cost {1} less to cast

if you control ten or more Treasures

then you may cast an instant or sorcery spell with mana value equal to the number of charge counters on Brain in a Jar from your hand without paying its mana cost

Its controller may search their library for a basic land card

Teferi, Hero of Dominaria [Dominaria Prerelease Promos] Elf Scout Ranger The vats are self-contained worldsSet: Dominaria Prerelease Promos Type: Legendary Planeswalker Teferi Rarity: Mythic Cost: {3}{W}{U} +1: Draw a card. At the beginning of the next end step, untap up to two lands. 3: Put target nonland permanent into its owner's library third from the top. 8: You get an emblem with "Whenever you draw a card, exile target permanent an opponent controls."