2021-03-19 You are never forced to activate mana abilities to pay costs, so if there is a mandatory additional mana cost (such as from Thalia, Guardian of Thraben), you can decline to activate mana abilities to pay for it and hence fail to cast the suspended card, leaving it in exile
But I did so with good intentions
(Sometimes even for free!) Collective Nightmare will probably only be useful as a sideboard option in the younger formats, but Pile On has potential to reach some older formats like Modern
God-Eternal Oketra God-Eternal Oketra possesses plenty of simple power
In this Commander Party for Magic: The Gathering FINAL FANTASY, players can create a hero (and even draw an image of their hero on a token) that theyll guide through a series of increasingly difficult quests for rewards until they complete the final quest step to win
#10 Interesting ideas here