This should activate quite frequently for you if youre the owner of this card, and this beefy Parun makes for an excellent option as your Izzet commander
I recently built Korvold, Gleeful Glutton and Sidisi, Brood Tyrant and was tweaking my Muldrotha, the Gravetide deck after seeing the gloriously degenerate interaction between Displacer Kitten and Diluvian Primordial
That doesnt mean you should go and stack your deck full of Level 12 monsters and expect to win the game, much as Season 1 of the Yu-Gi-Oh
You may put a permanent card from among them into your hand
Urza, Lord High Artificer I wouldnt be shocked to see people make the swap for him over Sai, Master Thopterist, but Urza ought to see a bump as people include him in the deck
It is a big drawback that trap cards are excluded from Yu-Gi-Oh OCG, where it is important to prevent standardization and fixation of deck composition by using three types of cards: monster/magic/trap