Name:Boon of Boseiju
ManaCost:1 G
Types:Instant
A:SP$ Pump | ValidTgts$ Creature | TgtPrompt$ Select target creature | NumAtt$ X | NumDef$ X | SubAbility$ DBUntap | SpellDescription$ Target creature gets +X/+X until end of turn, where X is the greatest mana value among permanents you control.
SVar:DBUntap:DB$ Untap | Defined$ Targeted | SpellDescription$ Untap it.
SVar:X:Count$Valid Permanent.YouCtrl$GreatestCMC
Oracle:Target creature gets +X/+X until end of turn, where X is the greatest mana value among permanents you control. Untap it.
