Rule change

This spell can't be countered, split second
Spells and abilities can't cause you to discard
this card.
If you control a card named Roon of the hidden
realm you win the game.
If Rule change is in your deck you may choose
to put it into your opening hand instead.
"There was once someone who actually believed
rules couldn't be changed"
- Teferi the OP son of a bitch pls ban