High end

Flying, firebending 2 Whenever you waterbend, earthbend, firebend, or airbend, draw a card. Then if you've done all four this turn, transform Avatar Aang.

(T: Add R or G.)

T, Pay 1 life: Add B or R. 1BR, T: Mount Doom deals 1 damage to each opponent. 5BR, T, Sacrifice Mount Doom and a legendary artifact: Choose up to two creatures, then destroy the rest. Activate only as a sorcery.

This artifact doesn't untap during your untap step. At the beginning of your upkeep, you may pay 4. If you do, untap this artifact. At the beginning of your draw step, if this artifact is tapped, it deals 1 damage to you. T: Add CCC.

T: Add CC. This land deals 2 damage to you.

(T: Add B or G.)

(T: Add G or U.)

(T: Add W or U.)

Vigilance Whenever a source an opponent controls deals damage to you or a permanent you control, that source's controller loses 2 life unless they pay 1. 2W, Sacrifice three other creatures: Exile Elesh Norn, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery.

T: Add B.

T: Add G for each creature you control.

Flying T: Add one mana of any color.

T: Add CC.

Flying T: Add one mana of any color.

Flash You may cast legendary spells and artifact spells as though they had flash. If a legendary permanent or an artifact entering or leaving the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

T: Add CCC. Spend this mana only to cast artifact spells.

Each player discards their hand, then draws seven cards.

T: Add U.

(T: Add R or W.)

T: Add B.

This spell costs X less to cast, where X is the greatest power among creatures you control. T: Add GG. You gain 2 life. Whenever a nontoken creature you control enters, put a +1/+1 counter on it and draw a card.

All creatures have "At the beginning of your upkeep, destroy this creature unless you pay 1."

T: Add W.

(T: Add W or B.)