(2024-07-26) Any as [this permanent] enters or [this permanent] enters with abilities of the new tokens will work
The only downside is that these arent a deck can play any number cards, so you cant run them all in Commander
The latter is enhanced if, for the fusion forming this card, a Blue-Eyes Alternative White Dragon is used, thereby allowing you to target 3 cards for destruction as opposed to just one
Turning dead cards into action sounds like the perfect use case, though I've seen this be used in a deck that tries to go off with Phyrexian Dreadnought and Greater Good, with some Replenish action, too, hence the two-dollars-and-change price tag
If the creature you control already has a Role that you control attached to it, that Role will be put into its owner's graveyard as a state-based action after the Monster Role is attached to it but before the reflexive triggered ability resolves