mtg leyline cards of Mutation (188) : Toys & Games add an additional G Leyline Binding [Dominaria United]

And since you can supplement this "as long as mana lasts" part with its own ability, it can be called a typical "win if not removed" type of commander

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents of their choice.) Trample Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents of their choice.) Trample Creature - Eldrazi Removal (CTRL to add secondary) Tokens Myriad Construct Kicker If this creature was kicked, it enters with a +1/+1 counter on it for each nonbasic land your opponents control

Phenomenon cards have no subtypes

If you return four or more nontoken permanents you control this way, you may put a permanent card from your hand onto the battlefield.

Otherwise, meet back here for the same thing at the end of next year