Name:Klauth, Unrivaled Ancient
ManaCost:5 R G
Types:Legendary Creature Dragon
PT:4/4
K:Flying
K:Haste
T:Mode$ Attacks | ValidCard$ Card.Self | TriggerZones$ Battlefield | Execute$ TrigMana | TriggerDescription$ Whenever CARDNAME attacks, add X mana in any combination of colors, where X is the total power of attacking creatures. Spend this mana only to cast spells. Until end of turn, you don't lose this mana as steps and phases end.
SVar:TrigMana:DB$ Mana | Produced$ Combo Any | Amount$ X | PersistentMana$ True | RestrictValid$ Spell
SVar:X:Count$SumPower_Creature.attacking
SVar:HasAttackEffect:TRUE
Oracle:Flying, haste\nWhenever Klauth, Unrivaled Ancient attacks, add X mana in any combination of colors, where X is the total power of attacking creatures. Spend this mana only to cast spells. Until end of turn, you don't lose this mana as steps and phases end.
