Pay zero for X to save your creatures, or sink 10 into X before your turn with Anointed Procession and Impact Tremors out to shoot everyone at the table for 20 damage before you untap
I would always use my favorites when I was younger, regardless if they were terrible or just more of a pain to use in matchups
Ikoria has introduced not only cards with unusually cheap cycling costs, but also some interesting payoffs for cycling that can have consequences above and beyond card advantage
But theres one other aspect thats gone under-reported, and astonishingly, its not a bug: theyve halved the number of digital cards you receive from your code cards
The cards are milled all at once, which means abilities that trigger "whenever one or more nonland cards are milled" will trigger exactly once as long as at least one nonland card was milled
During the early history of the game these strategies were not viable competitively