If this happens, players will have a chance to cast spells and activate abilities, then there will be another cleanup step before the turn finally ends.
Ill put some of the highlights in order, then gold, just for people to know what they can expect out of these: Kenrith, the Returned King Akroma's Will Urza, Lord High Artificer Counterspell Cryptic Command Rhystic Study Yawgmoth, Thran Physician Bolas's Citadel K'rrik, Son of Yawgmoth Ragavan, Nimble Pilferer Ancient Copper Dragon Primeval Titan Atraxa, Grand Unifier Tymna the Weaver Isshin, Two Heavens as One Thrasios, Triton Hero #45
Card draw is one of the most useful things as the more cards in hand, the better decisions you can make and, of course, the sooner your most powerful cards are in your possession
Both are solid options
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But you can still go infinite with a less powerful sacrifice outlet