It requires a lot of setting up
You can't wait and play them later
It's a triggered ability that triggers off of the damage being prevented, and it goes on the stack and can be responded to
While many demons encourage you to use life as a resource, having to also pay mana in order to get the tokens and only on your own end step makes him feel a lot less powerful than he otherwise could have been
A quick evolution to Gyrados from Magikarp with a very lucky Misty Supporter Card coin flip, might grant you one shot early in the game and stall the energy gathering of your psychic opponent, but chances are that by the time you've evolved and energized your big hitter enough to try a Hyper Beam, you've already been Psydrived for your full 150 HP
Say goodbye to Middle-earth, as in 2025 well be heading to the worlds of Final Fantasy for a full-blown celebration of Square Enixs long-running JRPG series