At that point, youre talking about an entire strategy revolving around infinite resourcessomething that should already fall under the umbrella of a Rule 0 discussion
It has menace so it can get in for combat damage without too much trouble (assuming the board isnt too gummed up), and if it does it can sacrifice itself to pull in a creature from the top of your deck
Storvald, Frost Giant JarlStorvald, Frost Giant Jarls page will reveal quite a few options, but not all Be sure to take a look at Scryfall for other examples
What Formats Are Beyond Boosters Legal In
Time Spiral (T1, Ext, S, Block) Man, did Wizards ever underestimate the free spell mechanic
In fact, Aerith's death has remained kind of contentious, to the point that the current remake trilogy is trying to grapple with what to do with it, and not super succeeding