I find that the Uncommon slot of a pack really sets the tone for what kind of deck Im going to build in a Sealed event
The combined creature will have (at least) two artists and may now have multiple colors
Legendary Land Land (CTRL to add secondary) Planeswalker Wrenn and Six +1: Return up to one target land card from your graveyard to your hand
Many of these creatures have powerful secondary abilities including creating additional creature tokens (Bladewing, Death Tyrant, Feldon, Kari Zev, Krenko, Mardu Strike leader), drain/life loss (Calculating Lich, Hellrider), direct damage (Combustible Gearhulk, Dreadhorde Butcher), anthem/buff effects for your army (Drana), card draw/free spells (Etali, Florian, Garna), additional combat step (Moraug), and many more
Paradox Engine First Printed: 2017-JAN Banned: 2019-JUL Paradox Engine can be played in any deck, and creates large amounts of mana at little-to-no deckbuilding cost
Sometimes you just wanna play some Magic real quick but dont have an entire draft pod worth of people on hand