Myr Battlesphere [Double Masters] Bird Guest A dragon's scale can be

A dragon's scale can be carved into a mighty shield

put a +1/+1 counter on Bloodline Pretender

Set: Tenth Edition Type: Legendary Creature — Human Barbarian Rarity: Rare Cost: {4}{R}{R} Haste (This creature can attack and {T} as soon as it comes under your control

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

Set: Time Spiral Remastered Type: Creature — Elemental Rarity: Common Cost: {R} {1}{R}

Myr Battlesphere [Double Masters] Bird Guest A dragon's scale can beSet: 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.