Remember Abiding Grace
While the exact cards inside each booster pack are randomised, there are some guarantees when it comes to the number of cards youll find in each rarity - also known as pull rates
Terastodon, Woodfall Primus, and Primeval Titan are probably the best cards for the "big green creature" role, but Simic Sky Swallower and Broodmate Dragon can serve the role as well, although they require greater deck manipulation to be able to hard cast should you draw either of them before finding your Natural Order
Aristocrats, spellslinger, tribal, voltron, group hug, stax, and more
If you are new to Lorcana, the starter decks are complete decks that come with a paper playmat, a basic rulebook, and some tokens
Of course, you'll want to slot this into a deck with a lot of creatures, but that's a trivial side quest in a white deck