Opponent casting Blue planeswalkers without any blue mana - Jace Architect of thought
Other player has zero blue mana. But, ,were able to cast Jace, architect of thought to win the game?
Make it make sense, please.
1
vote
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Rezzahan#77802
commented
Oath of Nissa:
You may spend mana as though it were mana of any color to cast planeswalker spells.