Karn, Legacy Reforged (Extended Art) [March of the Machine: The Aftermath]

Karn, Legacy Reforged (Extended Art) [March of the Machine: The Aftermath]Set: 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.

Whenever the Llanowar elves gather the fruits of their forest

where X is the number of other attacking creatures

with fresh new mechanisms and exciting new options

like our Sui Generis dice

some are the stuff of nightmares

Set: Modern Horizons Type: Enchantment Rarity: Mythic Cost: {2}{G} Whenever you cast a permanent spell with a mana cost that contains {X}

create a 1/3 black Demon creature token named Plaguebearer of Nurgle

(Enter the first room or advance to the next room

What I wouldn't give to tackle an equation like that

Set: Urza's Destiny Type: Artifact Rarity: Rare Cost: {3} As Urza's Incubator enters the battlefield

Set: Unlimited Edition Type: Instant Rarity: Rare Cost: {R} Target spell or permanent becomes red

the Mutable becomes a Human with base power and toughness 1/1