If a card with a renew ability is put into your graveyard during your turn, you can activate that ability if it's legal to do so before any other player can take any actions
Potts Bucky
It is sorcery speed which is commonly a big no no for card draw only getting a few cards, particularly at five or even three mana however it does offer you some tempo itself
Here are some variations of the Infinite Sacrifice Combo that we can play in the deck: Teysa Karlov + Cathodion or Su-Chi + Blasting Station + Decaying Soil or Nim Deathmantle = infinite mana, infinite damage Teysa Karlov + Cathodion or Su-Chi + Altar of Dementia + Decaying Soil or Nim Deathmantle = infinite mana, infinite mill Sengir Autocrat or any creature that makes an additional creature + Ashnod's Altar + Nim Deathmantle + Blood Artist or any other creature that drains when a creature dies = infinite mana, infinite tokens, infinite drain Next we've got the Divine Visitation combos
Some type of threshold trigger (not graveyard)
The real victory of Cycling and Eternalize together appearing on about 15% of the cardsis the smoothness they add to gameplay, preventing a few of those games where the inherent variance of a card game could have slipped away from fun into frustration
