For example you could start with a Build & Battle Kit which includes a 40 card deck and booster packs to build your deck, and eventually get Level 3 theme deck like the popular Mew VMAX League Deck
Shieldon 061/084 Metal Shieldon Metal HP100 Stage 1, evolves from Antique Armor Fossil
That flexibility makes it perfect for adapting to the board state: lifelink to recover, menace to punch through blockers, or haste for a sudden lethal push
You'll need a deck that can make use of your milled cards to get the full value out of Palantr of Orthanc (above all early on, when your opponent is unlikely to let you draw), but once the counters start piling up the Palantrs often a free card per turn
Even though that format had access to different cards, namely VS Seeker and Hex Maniac, it still shows the deck has the potential to come out on top of a big tournament
2 Mike, the Dungeon Master Mike, the Dungeon Master is a 2/2 human that costs one generic, one green, and one white, and he is an absolute powerhouse You can pay two generic mana and tap Mike to return a creature that was put into your graveyard this turn straight onto the battlefield