Stopping an opponent from challenging with the Boost ability can be a huge advantage, protecting your characters from a lethal threat on the board
If you want a specific card, youre looking at 70x as many packs, or 10,010
Even as the insta-kill target of most pods, at a 4-drop this might be an inexpensive Beast to weed out any removal in prep for a bigger closeout
(If a permanent with a stun counter would become untapped, remove one from it instead.) If all targets of Crashing Wave become illegal before it resolves, the spell will not resolve at all and you will not distribute any stun counters, even if the opponent still controls some tapped creatures
Felothar found herself drawn back many times to the ruins where she secretly listened to the spirits' tales of the Abzan's past and of a time where the dragonlords did not rule