Myr Battlesphere [Commander 2014]

Myr Battlesphere [Commander 2014]Set: Commander 2014 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.

"There are some qualities

Set: Kaladesh Type: Artifact Rarity: Rare Cost: {2} {T}

it gets +2/+2 for each creature in the blocker's art beyond the first

Set: Sun & Moon: Crimson Invasion Type: Water Rarity: Common Retreat cost: Colorless

Pay 1 life: Wall of Blood gets +1/+1 until end of turn

Blood calls to blood

Set: Magic 2013 Type: Creature — Wall Rarity: Uncommon Cost: {1}{U} Defender

Sacrifice Thrashing Brontodon: Destroy target artifact or enchantment

Set: Magic 2015 Type: Legendary Planeswalker — Liliana Rarity: Mythic Cost: {3}{B}{B} +1: Target player discards a card

with prey and predators that will never fight wars nor vie for ancient power

Set: Magic 2012 Type: Creature — Elemental Rarity: Common Cost: {3}{R} Haste (This creature can attack and {T} as soon as it comes under your control

Set: Dissension Type: Sorcery Rarity: Rare Cost: {2}{W} Return up to three target creature cards with mana value 1 or less from your graveyard to the battlefield