arc phone pokemon card [LP] - TCG Lost Origin 152/196 [Reverse Holo Uncommon] The item available is listed in the Title There's an actual phone case

Rock is now immune to Fire completely, not just resistant

as well as having a powerful 180 HP attack that deals 30 HP to each of your own Benched Pokemon

Honorable Mentions Legions to Ashes Check out this Vindicate variant that exiles, which is good for answering things like indestructible

Contagion usually trades two cards (the Contagion plus another black card) for two creatures, which seems like a good deal to me for zero mana

Vampiric Tutor, Rare (With a shout out to Enlightened Tutor, Mystical Tutor and Worldly Tutor - all Uncommons) There is just one card that has ever been printed that could, arguably, be in the same conversation as Demonic Tutor