You can do almost anything with the right artifacts, and most of them have activated abilities
Cute Charizard Colouring Page 3
Having two different mulligan rulesone for Magic Arena formats and one for non-rotating paper / Magic Online formatsdoesn't seem that much more more confusing than having no sideboards for Magic Arena 's primary formats and sideboarding for non-rotating paper / Magic Online formats, especially when you consider there's less crossover between Standard and Modern than there is between best-of-one Standard on Magic Arena and best-of-three Standard at your local FNM
Now a fury-filled planeswalker, Ajani can pump up your Cat creatures with +1/+1 counters, create more Cat tokens while dealing damage, and wiping the board to make all your opponents have to rebuild from practically nothing
Kill off planeswalkers, dorks, and players with aplomb
Why not turn it into something more exciting