The card's basically a gigantic mass of text where the Jumbo Imp sort of grows and shrinks via +1/+1 counters when you roll dice, which
If the target is illegal as Legions to Ashes tries to resolve, it will be removed from the stack and do nothing, even if there are tokens with that name still on the battlefield
Its desire for creatures with high power fits nicely with green, and the strong enters ability pairs well with blues many flicker effects
Whatnot Whatnot is a little bit different than most platforms, and Ive never engaged with it myself, so Im a little wary to give it a full recommendation
This is one powerful, valuable card that you might just have to make a deal with a sea witch to get your hands on
Basically, its like she gives you a token when thats what you need, and a card in your hand when thats what you need, and the combination is great