That's kind of ridiculous if you take it at face value, but there's also the option to create near-infinite loops with self-bouncing creatures like Whitemane Lion and Kor Skyfisher
The mythic room Charred Foyer // Warped Space, for example, reads as follows: Charred Foyer // Warped Space is letting you exile a card every turn, while Warped Space is allowing you to play those cards (or others you may find in exile) for 0 mana
The other thing is whether or not youre attached to it
In addition, it also skips the opponent's turn, which can wreak havoc on their strategy
It has the Ability to reduce incoming damage output from opposing enemy Pokemon by 30 if it has any Energy card attached to it and has the potential to actually Knock Out Crobat, Lumineon, and other basic Pokemon V that are still being set up by your opponents with Retaliate
Simic also has access to creatures that generate an advantage when they enter play - typically drawing a card