You cannot use a Fusion Substitute for this effect and the Fusion Monster cannot be Special Summoned after it leaves the field (because any monster from the Extra Deck must be Summoned the "proper way" [Fusion monsters are Fusion Summoned, etc.] in order to be Special Summoned from the Graveyard or if banished).
In an artifact-heavy deck, this could mean all sorts of shenanigans on turn one, and easy casting for expensive artifacts later in the game , leading it to be perceived as one of the most powerful cards ever printed
Is Land Tax legal to play
Iridescent Blademaster Another victim of March of the Machine limited, there isnt much to say about Iridescent Blademaster
Pokmon Scarlet & Violet: White Flare Booster Pack 4.95 Reunite with the Pokmon of Unova and rise to the top as a Trainer in a land of unity and legends
You can, however, pay additional costs, such as a kicker cost