pokemon trading card game gbc booster packs while new Ace Spec cards and more new Pokémon ex bring surprises of their own Booster pack (TCG) - Bulbapedia,

If all he does is come down and give you a free Faithless Looting-adjacent effect over and over, hes actually quite hard to remove from the board provided you have a decent blocker

This alone will allow The First Tyrannic War to be featured in any X spell Hydra-style decks

Derevi, Empyrial Tactician Derevi, Empyrial Tactician lets players ignore commander tax simply by putting it into play by paying 4 mana

If you follow those rules you have a pretty good chance of getting it approved but make sure you have unaltered versions in case something happens

Some spells like Iraxxa, Empress of Mars and Keeper of Secrets extend this support to include cards cast from the library or through flashback

This is not a typical booster release