Challengers!
When does the Shapeshifter's remove-a-card effect happen?
The rulebook's Effects section says a when-picked effect resolves once, in the Deck Phase of the pick.
- Challengers! rulebook · Rulebook · EFFECTS
- GAFBlizzard · Community · 2023-04-21
- GAFBlizzard · Community · 2023-04-26
Only when you pick the card, and it is optional. Its effect resolves once, in the Deck Phase in which you pick it. You may remove any card from your deck, including the Shapeshifter itself.