RiftRef
Riftbound Spell: Challenge. [Action] (Play on your turn or in showdowns.) Choose a friendly unit and an enemy unit. They deal damage equal to their Mights to each other.

Card Rulings

Challenge

OGN-128/298 · Origins · Common

SpellBody
Energy
2
Might
-
Power
1

Printed Ability

[Action] (Play on your turn or in showdowns.) Choose a friendly unit and an enemy unit. They deal damage equal to their Mights to each other.

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Official Context Linked to This Card

FAQ: Riftbound Origins FAQ

If a spell or ability instructs a particular object to deal damage, including the card the ability is on, then that object is dealing the damage, not the spell or ability. So Unyielding Spirit does stop damage from Void Seeker, Stormbringer, or Yasuo, Remorseless, but does not stop damage from Challenge, Last Breath, or Carnivorous Snapvine.

 Rules: Riftbound Core Rules (2026-07-16)

417.6.b.1. Units and Spells can be the source of Damage for Deal actions. 417.6.b.2. Abilities can be the source of Damage for Deal actions. 417.6.b.2.a. When an Ability is the source of Damage for a Deal action, it is in addition to the Spell or Unit that created that Ability. Example: Iron Ballista is a gear that says "[E]: Deal 2 to a unit at a battlefiel