If you want still more out of your 3 mana investment, Uro, Titan of Natures Wrath lets you draw a card, gain 3 life, put a land onto the battlefield, and then do it again later in the game for 4 mana and 5 other cards in your graveyard via the Escape mechanic
The land ratio you're looking at should be about 17 lands to 23 nonlands
Common 27 Hakuna Matata Common 28 Healing Glow Common 29 Just in Time Rare 30 Part of Your World Rare 31 You Have Forgotten Me Uncommon 32 Dinglehopper Common 33 Lantern Rare 34 Ursulas Shell Necklace Rare 35 Anna, Heir to Arendelle Uncommon 36 Archimedes, Highly Educated Owl Common 37 Dr
Alternatively, you could copy an enchantment like City on Fire, allowing Terra to one-shot a player with commander damage in this form
Dragonfire Blade Dragonfire Blade is one of the cheapest ways to grant a buff and protection to gold cards
In the end, Dragons of Tarkir actually increased in value to the point where it was above average, as people figured out that a lot of the casual-looking mythics (like the Dragonlord cycle) were actually very strong in constructed