As a green win condition it's risky since it hits yourself as well
Unlike its predecessor, you dont get to hold on to the creature you steal unless you can pay energy equal to that creatures mana value
You can even build a second deck with the cards you have left over to really bamboozle your opponents when you sideboard out one deck for another if youre lucky with your pulls
Whenever you cast a spell, if the amount of mana spent to cast that spell is greater than Liberator, Urza's Battlethopter's power, put a +1/+1 counter on Liberator
While tutoring for any spell is primarily found in black cards, green has a significant number of cards that can tutor for creatures, often at a better rate than burning a Demonic Tutor on them
(4/14/2023) If you don't reveal any Dragon cards from your hand, the reflexive triggered ability will cause Invasion of Tarkir to deal 2 damage to the target of the ability