It doesnt have a lot of building effects, but you get an extra turn after each opponents end step once you reach the final level
Pairing green with The Tenth Doctor is particularly interesting since it gives access to expensive green spells and ramp, given that the commander has a built-in mana sink to spend all the mana
These folks are good at shrugging off their losses and moving on)
Kataki, War's Wage Affinity flat out loses to this if it's timely enough and doesn't have the Galvanic Blast, and can still struggle even if the timing is suboptimal
As mentioned, Golden Packs are Wizards way of making it less difficult to make the decks you want to play
TMNT has wisely leaned into the backwards compatibility of the two mechanics by printing new Ninjas like Splinter, Radical RatSplinter, Radical Rat