Older cards are much harder to get in normal packs because most places only have the more recent sets of MTG in stock
Create a 0/1 black Wizard creature token with "Whenever you cast a noncreature spell, this token deals 1 damage to each opponent." Wizards you control get +1/+0 and gain lifelink until end of turn

Advanced Search Sets Random Syntax Abomination of Gudul Academy Raider Academy Wall Academy at Tolaria West Adventurer's Airship Ajani's Last Stand Akki Ronin All-Seeing Arbiter Amber Gristle O'Maul Anje Falkenrath Anje's Ravager Anje, Maid of Dishonor Archfiend of Ifnir Archfiend of Spite Arm-Mounted Anchor Armix, Filigree Thrasher Arna Kennerd, Skycaptain Artful Looter Artist's Talent Ashling, Flame Dancer Ashling, Rekindled Assassin Gauntlet Astonishing Spider-Man Astral Drift Atemsis, All-Seeing Atlantean Skirmisher Azra Oddsmaker Azula, Ruthless Firebender Bag of Holding Banon, the Returners' Leader Baral, Chief of Compliance Baron Strucker, HYDRA Overlord Baru, Fist of Krosa Battle of Frost and Fire Battlefield Scavenger Bebop & Rocksteady Bedlam Reveler Bloodcrazed Socialite Bloodhall Priest Bloodmad Vampire Blurry Beeble Bomat Courier Bone Miser Book Devourer Boosted Sloop Borborygmos and Fblthp Brallin, Skyshark Rider Burning-Tree Vandal Byway Barterer Cait, Cage Brawler Cam and Farrik, Havoc Duo Captain Howler, Sea Scourge Carlo, Suave Schemer Celes, Rune Knight Ceremonial Knife Chainer, Nightmare Adept Chakra Meditation Chandra's Regulator Chandra, Spark Hunter Chivalric Alliance Cloudpiercer Connecting the Dots Conspiracy Theorist Containment Construct Containment Construct Contract Hero Cool but Rude Copycrook Coralhelm Chronicler Crash, Reckless Endrider Cryptcaller Chariot Cunning Survivor

While a few have potential, I found that every time I drafted a Guest Card, it underperformed or didnt synergize with my deck