Because cumulative upkeep now uses age counters, Chisei, Heart of the Oceans can eat an age counter from a cumulative upkeep card, thus keep the cumulative upkeep cost manageable while also keeping the 4/4 flying creature alive
ARTIFACTS Syr Ginger, Meal Ender Even without hating Planeswalkers, this is fine filler that can get big if your cube sports things like spheres/stars or other artifact beaters
Heliod, Sun-Crowned Even if youre not trying to go infinite with the Walking Ballista combo, if you care about lifegain, you want Heliod, Sun-Crowned in your deck, or in the command zone as one of the best mono-white commanders
We have a massive body, but the real charm lies in the cycling ability
From Modern to Vintage, free counterspells are one of the best things you can do in Magic: The Gathering