Gadrak can't attack unless you control four or more artifacts.
At the beginning of your end step, create a Treasure token for each nontoken creature that died this turn. (It's an artifact with ", Sacrifice this token: Add one mana of any color.")
Gadrak is a mono-red value engine that floods the board with Treasure whenever nontoken creatures die, then spends that ramp on big spells, Dragons, and artifact payoffs. Early turns you set up sacrifice fodder and removal to trigger Gadrak's end step, ramp explosively, then convert Treasures into haymakers or combo pieces. Once you control four artifacts, Gadrak itself becomes a 5/4 flyer that closes games.
Explosive, color-fixing ramp from Treasure that lets a mono-red deck cast big and off-curve plays
Cheap 3-mana flying body that doubles as a recurring engine
Synergizes with aristocrats, board wipes, and edict effects you already want
Treasures enable artifact-count payoffs and sacrifice loops
Engine depends on nontoken creatures dying — does nothing in a creature-light or stalled board
Mono-red lacks reliable card draw and struggles against heavy enchantment/control
Attack restriction means Gadrak can be a dead beater without four artifacts
Legendary Creature — Dragon
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