Sacrifice it for a card and keep on, or just use it for creature things like attacking, blocking, and grabbing a piece of equipment
The Endstone (EOE) $10.20 The Endstone gives you pretty interesting possibilities
In Commander, the card slots neatly into evolving creature lists, enabling consistent hand replenishment without diverting from their natural gameplay
Absolute Virtue Adelbert Steiner Aerith Gainsborough Ambrosia Whiteheart Ashe, Princess of Dalmasca Bahamut, Warden of Light Beatrix, Loyal General Cecil, Redeemed Paladin Choco, Seeker of Paradise Cid, Timeless Artificer Cloud, Midgar Mercenary Cloud, Planet's Champion Crystallized Serah Dion, Bahamut's Dominant G'raha Tia Garnet, Princess of Alexandria Giott, King of the Dwarves Hope Estheim Hydaelyn, the Mothercrystal Joshua, Phoenix's Dominant Judge Magister Gabranth Lightning, Army of One Minwu, White Mage Noctis, Prince of Lucis Phoenix, Warden of Fire Rinoa Heartilly Rosa, Resolute White Mage Rufus Shinra Serah Farron Snow Villiers Squall, SeeD Mercenary Stiltzkin, Moogle Merchant The Wind Crystal Tidus, Blitzball Star Venat, Heart of Hydaelyn Yuna, Hope of Spira Zack Fair Zidane, Tantalus Thief
With a large amount of Eldrazi in the deck, Urzas Incubator and Heralds Horn can both provide mana reduction to these high-cost creatures