I realize that this sounds a lot like unfair combo decks but the difference is that the mana an unfair combo generates is temporary to produce an instant win where Ramp's advantage is turned into permanents
I think that banding creates some interesting combos and can make the combat phase more interesting
If you are interested in thinking through all sorts of combinations, developing new game schemes, and you, in principle, like games for logic and tactics - choose MTG
They all have similar traits, such as an easy way to Special Summon themselves after being banished and the ability to make their Link monsters stronger
Xurkitree can be obtained from Extradimensional Crisis pack in the Extradimensional Crisis set
This card's best value may come from dedicated collectors who just want to complete their starter decks, not its actual in-game capabilities