end the turn mtg card structure or legendary spell Until end of turn" and

As for what Oblivion would do....a Gatherer search told me that things with the word 'oblivion' in its name in Magic tended to remove or destroy things

Right away, it makes itself annoying to deal with by being uncounterable and having ward, and it doesnt stop there

This works against it a little in the early game but not a lot as getting board presence, a chance or ramp or at worst another card to use are all good things

All you need to do is join the Discord and hop into the Commander channel

1 Merfolk Skydiver

Features: Dive into Final Fantasy, and experience quintessential Magic: The Gathering by playing with and collecting cards selected to give every player the advantage