If your strategy benefits from holding up mana and shuffling specific cards from your graveyard away, this could be your card
Equip Whenever equipped creature attacks, tap target creature defending player controls and put a stun counter on it
Due to reasons that only Wizards of the Coast itself can be sure of, the cards in Jumpstart on Arena are not the same as they are on the tabletop
March of the Machine March of the Machine might be the new kid on the block, but its a stellar set
If you play mana dorks like Llanowar Elves and Elvish Mystic, you can count on having a 1/1 without the adventure
Some more specific cards, like always, might be better in a smattering of decks like Sozens Comet, but I try to find the cards that can go in most decks