Name:Karn, Legacy Reforged
ManaCost:5
Types:Legendary Artifact Creature Golem
PT:*/*
S:Mode$ Continuous | EffectZone$ All | CharacteristicDefining$ True | SetPower$ X | SetToughness$ X | Description$ CARDNAME's power and toughness are each equal to the greatest mana value among artifacts you control.
T:Mode$ Phase | Phase$ Upkeep | ValidPlayer$ You | Execute$ ArtifactMana | TriggerZones$ Battlefield | TriggerDescription$ 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.
SVar:ArtifactMana:DB$ Mana | Produced$ C | Amount$ Y | PersistentMana$ True | RestrictValid$ CantCastNonArtifactSpells
SVar:X:Count$Valid Artifact.YouCtrl$GreatestCMC
SVar:Y:Count$Valid Artifact.YouCtrl
SVar:BuffedBy:Artifact
DeckNeeds:Type$Artifact
Oracle:Karn, Legacy Reforged's power and toughness are each equal to the greatest mana value among artifacts you control.\nAt 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.
