Strength-Testing Hammer [Unfinity] Condition:Heavily Played or searches their library

or searches their library

If that card's converted mana cost is less than or equal to the number of experience counters you have

Set: Magic 2015 Type: Creature — Avatar Rarity: Mythic Cost: {4}{U}{U} Flying

Set: The Lost Caverns of Ixalan Prerelease Cards Type: Legendary Creature — Dinosaur Avatar Rarity: Mythic Cost: {5}{R}{G}{W} Vigilance

Remove any number of charge counters from Green Mana Battery: Add {G}

Strength-Testing Hammer [Unfinity] Condition:Heavily Played or searches their librarySet: Unfinity Type: Artifact Equipment Rarity: Uncommon Cost: {1} Whenever equipped creature attacks, roll a six sided die. That creature gets +X +0 until end of turn, where X is the result. Then if it has the greatest power or is tied for greatest power among creatures on the battlefield, draw a card. Equip {3} I don't know you, but that hammer rings a bell.