Whenever an opponent draws a card, you may pay {1}. If you do, draw a card.

Whenever you draw a card, put a loyalty counter on Teferi. 0: Draw a card. −2: Create a 2/2 blue Spirit creature token with vigilance and "Whenever you draw a card, put a +1/+1 counter on this token." −12: Target opponent chooses a permanent they control and returns it to its owner's hand. Then they shuffle each nonland permanent they control into its owner's library.

Protection from multicolored (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything multicolored.) Whenever a nonbasic land an opponent controls enters, you gain 1 life.

Target player draws cards equal to half the number of cards in their library and loses half their life. Round up each time.

Target creature gets +2/+1 and gains lifelink until end of turn. Draw a card.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {U} or {B}.