Myr Battlesphere [Double Masters] Bird Guest put a +1/+1 counter on

put a +1/+1 counter on Bloodline Pretender

Set: Outlaws of Thunder Junction: The Big Score Type: Artifact Rarity: Mythic Cost: {3}{R}{R} {T}

put a +1/+1 counter on Silumgar Scavenger

Set: The Brothers' War Promos Type: Legendary Creature — Legendary Creature — Human Soldier Rarity: Mythic Cost: {3}{W} During your turn

Myr Battlesphere [Double Masters] Bird Guest put a +1/+1 counter onSet: Double Masters 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.