Glen Elendra ArchmageFlying , Sacrifice Glen Elendra Archmage: Counter target noncreature spell. Persist (When this creature dies, if it had no 1 1 counters on it, return it to the battlefield under its owner's control with a 1 1 counter on it.)

Other white creatures you control get +1/+1

or Treasure token

Eternalize only as a sorcery

planeswalker

where X is the number of artifacts you control

Whenever a creature an opponent controls enters

Then each player creates X Treasure tokens and Descent into Avernus deals X damage to each player

you may draw two cards

Whenever another creature you control enters

Put the rest on the bottom of your library in a random order

Reveal the top card of your library and put that card into your hand

draw a card unless that player pays