This is a quintessential The Locust God deck that wants to ramp out the commander and draw a bunch of cards to create a hasty swarm of insects
If you need to know the specific text of a card in a tournament context, you can always call a judge and ask for the official English text
Thundermaw Hellkite is one of the best threat in the game and it costs a mana more and dies to far more sorcery speed removal
Eddymurk Crab looks less good, but if you can flash this in for two and then Splash Portal it before your combat phase, youve tapped down four creatures
Currently, all of these special cards are listed as being part of Promo A, but further sets are sure to be unveiled as the game progresses
Mowu, Loyal CompanionMowu, Loyal Companion probably makes the best use of it, and I suppose Vorinclex, Monstrous RaiderVorinclex, Monstrous Raider allows it to trigger on the very same turn