Karn, Legacy Reforged (Retro) [March of the Machine: The Aftermath] Goblin put a +1/+1 counter on

put a +1/+1 counter on River Song

can take everything

{T}: Each player discards their hand

Set: Core Set 2020 Type: Legendary Planeswalker — Sorin Rarity: Mythic Cost: {4}{B}{B} +1: Up to one target creature gets +2/+0 until end of turn

Karn, Legacy Reforged (Retro) [March of the Machine: The Aftermath] Goblin put a +1/+1 counter onSet: 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.