Livaan, Cultist of Tiamat boosts the power level of a target creature when you cast non-creature spells while Vhal, Candlekeep Researcher provides colorless mana upon tapping to help cast Adventure spells
Green has good creature cards, so it makes sense to lean into that
[1] You can spend money on the game if youd like, but if you keep playing for free you should be able to unlock enough cards to build a deck you like
Theres just a ton of beef to be had with this one, and it lasts long enough that you can practically treat it like a normal 5-drop
(2024-11-08) To determine a spell's total cost, start with the mana cost (or an alternative cost if another card's effect allows you to pay one instead), add any cost increases (such as kicker), then apply any cost reductions
When the Dragon enters the battlefield, it exiles all your other permanents, including the aura reanimating it