Karn, Legacy Reforged (Retro Frame) [MAT - 99] Eldritch Moon if it had no -1/-1

if it had no -1/-1 counters on it

that creature enters the battlefield with X additional +1/+1 counters on it

where dream and reality blur together and the weary can find rest

Rules Text Contains: No more than one creature can attack each combat

Whenever a creature you control deals combat damage to a player

Karn, Legacy Reforged (Retro Frame) [MAT - 99] Eldritch Moon if it had no -1/-1Rarity: M #: 99 Creature Type or Sub Type: Legendary Artifact Creature Golem P: * T: * Rules Text Contains: Karn, Legacy Reforged's power and toughness are each equal to the greatest mana value among artifacts you control. At the beginning of your upkeep, add C for each artifact you control. This mana can't be spent to cast nonartifact spells. Until end of turn, you don't lose this mana as steps and phases end.