Greater Boon of Isis is a Grand Archive card. Compare listings from Singapore Grand Archive sellers on CardJio, then jio them on WhatsApp.
Type
Greater Boon
Subtype
Cleric / Mage / Spell
Class
Cleric / Mage
Element
Norm
Reserve cost
3
Speed
Slow
Card Text
Class Locked, Level Locked 2
Spell cards you own on the effects stack have “If this source would deal damage, it deals that much damage plus X instead, where X is LV divided by three, rounded down.”