While it isn't game breaking, playing Naban, Dean of Iteration on Turn 2 into Sunscourge Champion on Turn 3 to gain four life is a nice value start for a Naban deck, especially considering that Sunscourge Champion can come back to gain eight life later in the game thanks to eternalize
Since she can also use this on herself, that makes her a top-tier protection resource in virtually any deck that dips blue and/or green
Since he's only a 2/3, you'll want to make sure you have some cards like Whispersilk Cloak or Demonic Embrace to make sure Varragoth can attack each turn, getting the most value you can from his ability
For example, if a single-faced card is a copy of Dire Flail, exiling it as part of the cost of its craft ability will cause it to remain in exile
Each kit comes with two decks to play in-person, and a code to redeem both decks on MTG Arena to learn digitally
You must still pay all costs and follow any timing restrictions and permissions for artifact spells you cast from your graveyard this way