Can I annul this contract
Plus, you're playing Black, so you'll be able to recur it from the graveyard and maybe find another opponent to fall victim to the Tree of Perdition and Triskaidekaphobia's nasty combination
Where did these come from
Brute Strength: Limited
Enchantment Royal Decree Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever a Swamp, Mountain, black permanent, or red permanent becomes tapped, this enchantment deals 1 damage to that permanent's controller
The high prices mainly come from premium reprints of good cards in Marvel Universe (MAR), or rare and mythic Spider-Man Eternal (SPE) cards, and all of them are driven by scarcity