Myr Battlesphere [Commander 2016]Set: Commander 2016 Type: Artifact Creature Myr Construct Rarity: Rare Cost: {7} When Myr Battlesphere enters the battlefield, create four 1 1 colorless Myr artifact creature tokens. Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X +0 until end of turn and deals X damage to the player or planeswalker it's attacking.

Volcanic Vision deals damage equal to that card's mana value to each creature your opponents control

Sacrifice Fires of Yavimaya: Target creature gets +2/+2 until end of turn

Set: HeartGold & SoulSilver: Unleashed Type: Metal Rarity: Holo Rare Retreat cost: Colorless

You gain 2 life for each creature you control and that player gains 2 life for each creature they control

Each foe chooses one untapped creature they control

sacrifice Glimmervoid

Set: EX: Unseen Forces Type: Water Rarity: Ultra Rare Retreat cost: Colorless

Set: XY: Roaring Skies Type: Grass Rarity: Holo Rare Retreat cost: 0

Which hurts more: a sword in the gut or a dagger in the back

Tap all creatures

Whenever equipped creature deals combat damage to a player

long as forever