Time Warp is another inspiring spell that gets loads of fun and creative implication from very, very few words
The triggered ability is so easy to trigger, your opponents will help you do it
The basic idea is the common version of the Turtles shows them sort of turtling up at home, in the lair, training
Also, I could see both Dromoka's Command and Dragonlord Atarka being excellent additions to this deck: the former as a versatile card that can also serve as removal, the latter as a game-changing card that can also serve as removal
A perfected decklist, formed in the later stages of the Aether Revolt standard, was powerful enough that only one realistic counter-deck of Mardu Vehicles could stand against the combo
Ravenous Trap Ravenous Trap can be great against decks milling huge chunks of cards via Mesmeric Orb or dredge cards