+1/+1 counters are common buffs for all types of creatures in pretty much every MTG set, sagas track their progress with lore counters, planeswalkers add or subtract loyalty counters with their activated abilities and players can lose the game for acquiring too many poison counters, or stack up the energy counters from Kaladesh and Modern Horizons 3
And while this appeared a lot in vision design, it especially came up after Ethan handed the set off to Corey Bowen for the set design process with one big innovation
10 Acidic Slime When this gooey slime enters the battlefield, it can destroy any land, artifact, or enchantment in play
It debuts a new rarity called Futuristic rare and includes a 30-card Classic Collection of stamped reprints
The most obvious are deathtouch enablers like Basilisk Collar that improve the sweeper and the pinger left behind, but you can do a lot with cards like Stuffy Doll and Screaming Nemesis