mtg.wtf

Your opponents can't cast spells with even mana values.
Your opponents can't block with creatures with even mana values.

Morph {2}{U}{U}
When Voidmage Apprentice is turned face up, counter target spell.

Flash
When Voidmage Husher enters, counter target activated ability.
Whenever you cast a spell, you may return Voidmage Husher to its owner's hand.

{U}{U}, Sacrifice a Wizard: Counter target spell.
Morph {U}

Counter target spell, activated ability, or triggered ability.

Flying
As Voidstone Gargoyle enters, choose a nonland card name.
Spells with the chosen name can't be cast.
Activated abilities of sources with the chosen name can't be activated.

Exile target creature. Return it to the battlefield under its owner's control at the beginning of the next end step.
Cipher

When Voidwielder enters, you may return target creature to its owner's hand.

Menace, haste
Whenever Volatile Arsonist attacks, it deals 1 damage to each of up to one target creature, up to one target player, and/or up to one target planeswalker.
Daybound

Until end of turn, creatures you control get +2/+0 and gain all creature types.

Trample
Volatile Rig attacks each combat if able.
Whenever Volatile Rig is dealt damage, flip a coin. If you lose the flip, sacrifice Volatile Rig.
When Volatile Rig dies, flip a coin. If you lose the flip, it deals 4 damage to each creature and each player.

Flying, hexproof from activated and triggered abilities
When Volatile Stormdrake enters, exchange control of Volatile Stormdrake and target creature an opponent controls. If you do, you get {E}{E}{E}{E}, then sacrifice that creature unless you pay an amount of {E} equal to its mana value.

Whenever Volatile Wanderglyph becomes tapped, you may discard a card. If you do, draw a card.

Flying, haste

Volcanic Geyser deals X damage to any target.

Volcanic Hammer deals 3 damage to any target.

Attacking creatures get +2/+0 and gain trample until end of turn.

This spell costs {X} less to cast, where X is the total power of creatures you control.
Volcanic Salvo deals 6 damage to each of up to two target creatures and/or planeswalkers.

Enchant creature
Enchanted creature gets +2/+2 and has mountainwalk.

Destroy target artifact or land.
Cycling {2}

Destroy target land.

Return target instant or sorcery card from your graveyard to your hand. Volcanic Vision deals damage equal to that card's mana value to each creature your opponents control. Exile Volcanic Vision.

Volcano Hellion has echo {X}, where X is your life total.
When Volcano Hellion enters, it deals an amount of damage of your choice to you and target creature. The damage can't be prevented.

Flying
{1}{R}: Volcano Imp gains first strike until end of turn.

Flying
Whenever Voldaren Bloodcaster or another nontoken creature you control dies, create a Blood token.
Whenever you create a Blood token, if you control five or more Blood tokens, transform Voldaren Bloodcaster.