Karn, Legacy Reforged (149) [March of the Machine: The Aftermath]Set: March of the Machine: The Aftermath Type: Legendary Artifact Creature Golem Rarity: mythic Cost: {5} Karn'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.

Sacrifice a Food: Target creature gains indestructible until end of turn

Set: Eldritch Moon Promos Type: Legendary Creature — Angel Horror Rarity: mythic Cost: {2}{W}{W} Flying

return target artifact card from your graveyard to the battlefield

Untap a tapped creature you control: Create a 1/1 green and white Citizen creature token

Set: Foreign Black Border Type: Creature — Demon Rarity: rare Cost: {3}{B}{B}{B} {T}: Destroy target land

Set: Mirrodin Besieged Type: Sorcery Rarity: rare Cost: {X}{G} Search your library for a green creature card with mana value X or less

If this artifact turns over completely at least once during the flip

you gain X life and draw X cards

Set: Throne of Eldraine Type: Legendary Artifact — Equipment Rarity: mythic Cost: {4}{R}{R} Flash This spell costs {1} less to cast for each attacking creature you control

Set: The Brothers' War Promos Type: Land Rarity: rare This land enters tapped unless you control a legendary green creature

For as long as that card remains exiled

Set: Grand Prix Promos Type: Legendary Creature — Demon Rarity: mythic Cost: {4}{B}{B}{B}{B} Flying