Myr Battlesphere (Retro) [The Brothers' War Commander] Condition:Heavily Played "The secret to invention is

"The secret to invention is to see something in your mind

Set: Worldwake Type: Creature — Human Shaman Ally Rarity: Rare Cost: {2}{B} {T}: Put target creature card from an opponent's graveyard onto the battlefield under your control if its converted mana cost is less than or equal to the number of Allies you control

Its transmissions are the word of Memnarch

Set: Wilds of Eldraine Type: Instant Rarity: Uncommon Cost: {X}{B} Target creature gets -X/-X until end of turn

Myr Battlesphere (Retro) [The Brothers' War Commander] Condition:Heavily Played "The secret to invention isSet: The Brothers' War Commander 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.