There are a number of reasons why (some of which I'll cover later), but at the core is this: they have plenty of individually powerful cards, along with powerful tribal bonuses
This early enchantment is like having Sokka, Lateral Strategist on board and it doesn't matter if those attackers are tokens or not
Wildcard Trade-in Bug A few players have had issues with the trade-in of wildcards not working
(2025-06-06) If another effect (or effects) modifies how much damage a source you control would dealby preventing some of it, for examplethe player being dealt damage or the controller of the permanent being dealt damage chooses the order in which any such effects (including Lightning's) apply
The sealed Magic: The Gathering Unlimited Starter Deck in Very Good condition sold at auction on July 24th for $150,000, with auction house Heritage Auctions remarking: It is difficult enough to come upon a still sealed Unlimited Starter Deck, but even more amazing to find a full box still sealed. Time will tell whether the buyer is lucky enough to make their pricey investment even more valuable
Anyway, the Incubator makes those Creature spells cost two generic mana less to cast
