Each 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
This means that by suiting up Wyleth with efficient Auras and Equipment cards, its controller can reliably keep refilling their hand each turn.
However, weirdly enough, its also sometimes the best card against soft graveyard hate like Relic of Progenitus and Soul-Guide Lantern, as you can quickly rebuild a graveyard to fuel a Murktide Regent if your opponent has exiled your graveyard earlier in the game
As long as one of your Mobilize tokens lives through combat, you can play Sephiroth during your second main phase and sacrifice the token to draw a card and drain your opponent
See you in Anaheim!
Morophon has the added bonus of being an anthem for all others of the creature tribe you declare as he's cast, giving them +1+1