mtg cards with level up Flashback Enchanted creature has Whenever this creature attacks o:"level up" · Scryfall Magic:

In theory, you can throw it into a token deck and go from there, but most of the time youd rather have those tokens to use for something else

If you want a more devious way to build Kelsien, slap on him a Thornbite Staff, which lets you untap Kelsien each time a creature goes to the graveyard

Perfect for both Limited play and opening packs just for fun, this Tarkir: Dragonstorm Play Booster contains 14 Magic: The Gathering cards and 1 Token or Art card, including 14 cards of rarity Rare or higher and 35 Uncommon, 69 Common, and 1 Land cards

Like Lutri in Commander, Lurruss build-around requirement was not much of a restriction in Vintage

Unsummon wasn't exciting enough over Snag for the slower decks and was directly worse for the aggro ones

This was the backup Craterhoof but there are so many of those that this is just some fine utility filler