When faced with playing the land on top or the one in hand, the play is always to dig deeper into the deck, so we know whats coming up next
Existing deck strategies that got help from the set, all of them, but to be fair, most commonly discard decks, poison decks, Millstone decks, permission decks, direct damage decks, no I really, meant all of them
At the end of your post-combat main phase, you look at cards equal to the life your opponents lost and pick one to play
That means the best approach is often to buy boosters from sets with lots of legendary creatures and Commander-friendly cards, then buy singles for exact upgrades
Most likely to see play in: Jodah, Archmage Eternal, Golos, Tireless Pilgrim, 5 CMC Tribal
It won't apply at some later time when the targeted permanent is tapped