While it might seem like a vote of confidence for aftermath that it is based on one of the most playable mechanics of all time, even discounting the actual text printed on the card (which we'll talk about in a few minutes), the very design of aftermath makes it less powerful than flashback
Kitsa, Otterball Elite One generic, one blue legendary creature Otter Wizard 1/3 Mythic Rare Vigilance Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Tap: Draw a card, then discard a card
Since Mono-Red decks don't perform too well in standard these days, it will be mostly carried by commander players
Raviel, Lord of Phantasms, Uria, Lord of Searing Flames, Hamon, Lord of Striking Thunder, and their combined form, Armityle the Chaos Phantasm
It may be hard to pull off, but it provides more value than just the Treasure depending on the situation
this can often be the second step for determining what cards can be used or with or against the card in question, but often, many Support Cards go for either Attribute or Type, and rarely ask for both to be met to fulfill a requirement