Then you can self-bounce a land and give something trample for 2 mana and then play it again for another slate of landfall triggers
Depending on how many fetchlands you have in a deck, you may not be adventuring this out on Turn 1, but thats okay, given the flexibility of this for the long game
It follows, then, that protection from everything is profoundly powerful, as it means "this card can't be blocked, targeted, enchanted, or damaged by anything." A Creature with protection from everything can't be blocked, can't be targeted by Lightning Bolt or Slice from the Shadows, and can't be locked down by a Pacifism or Icy Manipulator
Sac outlets can also be very disruptive denying lifelink or fizzling spells
At the beginning of your upkeep, you lose 1 life for each burden counter on The One Ring
cEDH viable for sure, and is very strong outside of that too