Myr Battlesphere [Double Masters]

Myr Battlesphere [Double Masters]Set: 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.

These devices help me 'tune' that instrument

{T}: Look at the top five cards of your library

Devkarin Lich deals combat damage to a player or planeswalker

look at the top ten cards of your library

Some minds bend under pressure

Set: Guilds of Ravnica Type: Sorcery Rarity: Uncommon Cost: {1}{U}{R} Beacon Bolt deals damage to target creature equal to the total number of instant and sorcery cards you own in exile and in your graveyard

Set: Beta Edition Type: Instant Rarity: Common Cost: {W} Choose one —

Set: Summer Magic / Edgar Type: Enchantment — Aura Rarity: Uncommon Cost: {3}{U} Enchant artifact

The gatekeepers are so fastidious that even the winds must wait to pass

Set: Kaladesh Type: Artifact — Vehicle Rarity: Rare Cost: {3} {T}: Add one mana of any color

Set: Seventh Edition Type: Creature — Drake Rarity: Uncommon Cost: {2}{U}{U} Flying

there'll be fewer goblins