![Myr Battlesphere (57) [Duel Decks: Elves vs. Inventors]](http://alwaysgames.ca/cdn/shop/files/162870_in_1000x1000_21a8e105-6982-463c-a932-6e520b69a6dc.jpg?v=1771556711&width=672)
![Myr Battlesphere (57) [Duel Decks: Elves vs. Inventors]](http://alwaysgames.ca/cdn/shop/files/162870_in_1000x1000_21a8e105-6982-463c-a932-6e520b69a6dc_1024x.jpg?v=1771556711)
Description
| Set: | Duel Decks: Elves vs. Inventors |
| Type: | Artifact Creature — Myr Construct |
| Rarity: | rare |
| Cost: | {7} |
When this creature enters, create four 1/1 colorless Myr artifact creature tokens.
Whenever this creature attacks, you may tap X untapped Myr you control. If you do, this creature gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.