I like a card that rewards you for playing the game, granting you a benefit that gets better the more creatures (and thus, permanents) that you control
Release Day Into the Inklands releases on Friday 23rd February in local game stores and some Disney Parks
Essentially if you take 5,000 gold you will be able to buy 5 booster packs in the shop
It's an incredibly defensive card for red, and can be tricky to work around unless you're including it in some kind of goad deck, but even then you wouldn't want this as your commander
If you manage to do all four in a single turn, you can also transform Avatar Aang into Aang, Master of Elements a flying creature that reduces spell costs significantly, and lets you transform back for life gain, card draw, counters, and damage
In MTG Arena you'll begin with a variety of starter decks