Prime Speaker Vannifar
Legendary Creature — Elf Ooze Wizard
, Sacrifice another creature: Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value, put that card onto the battlefield, then shuffle. Activate only as a sorcery.
Kieran Yanner
Ravnica Allegiance (RNA)
• #195Rulings
If a creature or a creature card in your library has {X} in its mana cost, X is considered to be 0.
(wotc • 2019-01-25)
Tokens that aren't a copy of something else don't have a mana cost. Anything without a mana cost normally has a mana value of 0.
(wotc • 2019-01-25)
Rulings
If a creature or a creature card in your library has {X} in its mana cost, X is considered to be 0.
(wotc • 2019-01-25)
Tokens that aren't a copy of something else don't have a mana cost. Anything without a mana cost normally has a mana value of 0.
(wotc • 2019-01-25)