Teferi, Hero of Dominaria [Dominaria Prerelease Promos] Elf Scout Ranger Must these roles be mutually

Must these roles be mutually exclusive

Its controller may search their library for a basic land card

This effect doesn't remove Black Ward

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

heedless of your prayers

Teferi, Hero of Dominaria [Dominaria Prerelease Promos] Elf Scout Ranger Must these roles be mutuallySet: 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."