Keldon Warlord [Summer Magic / Edgar] Plane Set: EX: Legend Maker Type:

Set: EX: Legend Maker Type: Lightning Rarity: Common Retreat cost: Colorless

When Chasm Skulker dies

Set: Commander Masters Type: Legendary Creature — Elemental Rarity: Mythic Cost: {2}{G} You don't lose unspent green mana as steps and phases end

If you search your library this way

Set: Sun & Moon: Unified Minds Type: Psychic Rarity: Ultra Rare Retreat cost: Colorless

Keldon Warlord [Summer Magic / Edgar] Plane Set: EX: Legend Maker Type:Set: Summer Magic Edgar Type: Creature Human Barbarian Rarity: Uncommon Cost: {2}{R}{R} Keldon Warlord's power and toughness are each equal to the number of non Wall creatures you control.