Void Winnower
Battle for Zendikar (BFZ)
Creature — Eldrazi
Your opponents can't cast spells with even mana values. (Zero is even.) Your opponents can't block with creatures with even mana values.Constructed
Commander
Arena
Other
Versions
5 printings · from $20.38
Rulings
5 · latest Aug 25, 2015
- WotCAug 25, 2015
Effects that increase or reduce the cost to cast a spell don't affect that spell's mana value.
- WotCAug 25, 2015
For creatures on the battlefield with
in their mana costs, the value for X is 0. Mistcutter Hydra (a creature with mana cost 
) could block, but Endless One could not. - WotCAug 25, 2015
For spells with
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 ) with X equal to 5, but not with X equal to 6. - WotCAug 25, 2015
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.
- WotCAug 25, 2015
Yes, your opponent can't even. We know.