Merlin could singlehandedly bolster any deck running Sapphire, and will most certainly replace the other Floodborn character of the same cost, Gaston Intellectual Powerhouse
It mills you and recovers your lands, and effectively turns land searching effects like on Evolving Wilds and Foreboding Landscape into ramp
Ravenform Exiling creature and artifact removal that gives a bird with foretell seems quite on point to me, and potentially really useful in EDH, though sorcery speed is quite slow
Current definition Reserved cards are cards that will never be printed again in a functionally identical form
It is designed for 4-player Commander games, offering explosive synergies, strong board presence, and multiple fun lines of play
Temperamental Oozewagg It may be a common, but Temperamental Oozewagg can have a strong impact just by sitting on the battlefield