Elemental HERO decks have options for plenty of Fusion Monsters, as well as Link Monsters if you dip into the Xtra HERO lineup
Even if you're only looking at Commander, this allows you to put a Sol Ring directly into play, but that's probably the tamest thing you can do with this thing
How it works is that you co-link monsters from the one Extra Monster Zone to the other Extra Monster Zone, forming what looks like a necklace
I think back to how much damage I was able to do with a lowly Birds of Paradise backed by Rafiq of the Many and Finest Hour and imagine the fun I can have with a trampling, double-striking, lifelinked Phelddagrif with two attack steps ("Heres a hippo token for your trouble.")
Kronk, Junior Chipmunk is one of the steel Rise of the Floodborn cards featuring the set's new keyword Resist, which enables the character to take a reduced amount of damage