Collections from the old game should carry over too, though cards outside of Standard format won't be playable until a later Expanded format update (while Legacy format cards straight up won't be supported)
Especially if theyre just energy, perhaps, because you can run them in a lot of decks
For instance, [c]Cultists Staff[/c] and the aura [c]Arachnoform[/c] both cost 2 mana and give a creature +2/+2
Example: Diseased Vermin reads, in part, "At the beginning of your upkeep, Diseased Vermin deals X damage to target opponent previously dealt damage by it, where X is the number of infection counters on it." If Diseased Vermin phases out, it "remembers" how many counters it has and also which opponents it has previously damaged
Personally I choose to play a 8-6-4 line of every Stage 2, and a 6-4 line of every Stage 1 in Spokcube
Common 8