Void Winnower

Pioneer Masters (PIO) #3 · Mythic · Creature — Eldrazi

Mana cost: {9}

Your opponents can't cast spells with even mana values. (Zero is even.)
Your opponents can't block with creatures with even mana values.

Power/toughness 11/9 · Illustrated by Chase Stone · Released December 10, 2024

Printings

2015-08-25 · wotc — Effects that increase or reduce the cost to cast a spell don't affect that spell's mana value.
2015-08-25 · wotc — The mana value of a face-down creature spell or a face-down creature is 0. Void Winnower will stop face-down creature spells from being cast and face-down creatures from blocking.
2015-08-25 · wotc — Yes, your opponent can't even. We know.
2015-08-25 · wotc — For creatures on the battlefield with {X} in their mana costs, the value for X is 0. Mistcutter Hydra (a creature with mana cost {X}{G}) could block, but Endless One could not.
2015-08-25 · wotc — For spells with {X} in their mana costs, use the value chosen for X to determine if the spell's mana value is even or not. For example, your opponent could cast Endless One (with mana cost {X}) with X equal to 5, but not with X equal to 6.