digimon ultimate power booster box TCG: Great Legends with Dash Packs and Powerup Pack The display contains 24 Booster packs with 12 cards each Digimon Card Game Booster Pack

9 loyalty Player 3 - During his or her upkeep, Player 1 uses Teferi, Master of Time to use its first ability to +1 and Loot

If your commander is something like Emry, Lurker of the Loch, you can pitch your hand to Lions Eye Diamond, take the three blue mana to cast Emry, and then on a later turn use her to recover the Lions Eye Diamond plus any other artifacts you pitched

Its fairly solid by all accounts, with its intimidating porcupine/dragon design, decent stats, and potentially powerful effect (when a Monster the player controls is destroyed by a card effect or by battle, Interplanetarypurplythorny Dragon can be Special Summoned from the hand)

Permanents entering the battlefield also do not by themselves create a priority window, unless them doing so triggers some other ability