Bloodghast can get milled, then come back onto the battlefield each time Landfall is triggred (which is easy with fetchlands)
Goldberry, River Daughter wants to move time counters off of Rose Tyler and move them onto permanents with vanishing to keep them around, though we can also use Goldberry to remove time counters from our cards with vanishing where appropriate
In Magic: The Gathering Arena , it lets me build what can only be called nonsense 5-colour Green decks: a bunch of ramp, Karn, the Great Creator and some big X-spells to finish things off
Even if you are not using an ETB effect youll still get to come out ahead with your commander or another valuable creature still in play
For each opponent you have, you create a token that's a copy of the exiled card
We call this a "Holo" in the US