Karn, Legacy Reforged (Extended Art) [March of the Machine: The Aftermath] WTR119-M Other creatures you control get

Other creatures you control get +2/+2

Set: Promo Finish: Rainbow Foil Type: Hero Rarity: Promo Class: Brute Life: 40 Intellect: 4 Whenever you discard a card with 6 or more POWER during your action phase

and it's the second time it has hit this turn

if you would create a Runechant token

Karn, Legacy Reforged (Extended Art) [March of the Machine: The Aftermath] WTR119-M Other creatures you control getSet: March of the Machine: The Aftermath Type: Legendary Artifact Creature Golem Rarity: Mythic Cost: {5} 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.