Taikan Orb of Orbiness:

Consumable >While Equipped: Gain +1 Character Mana & +1 Nation Magic >While Equipped: One Upkeep Spell of your choice has a 10% refund chance on start of new session >User may destroy this Artifact reduce the magical upkeep of a spell by half (rounded in favor of the player) of its current upkeep. >Scaling upkeeps will continue to apply after use.