Robin Hood, Unrivaled Archer isn't quite as popular as Mickey, Elsa, or Maleficent, but a quality copy still fetches plenty of cash on secondary markets
Commanders Plate or any of the other notable Swords are great options
Basically phase out means the creature and everything attached to it ceases to exist -- it doesn't change zones, it just goes poof , totally gone and can't be interacted with in any way, until it phases back in (exists again) at the beginning of its controller's next turn
Scientists Academy Elite Adventurer's Airship Agna Qel'a Arcade Gannon Archive Haunt Artful Looter Assassin Gauntlet Atlantean Skirmisher Bag Check Bag of Holding Baron Strucker, HYDRA Overlord Bellowing Crier Benthic Biomancer Bloodfire Mentor Bonded Fetch Boosted Sloop Broadside Barrage Cait, Cage Brawler Canyon Crab Captain of Umbar Carlo, Suave Schemer Ceta Sanctuary Chakra Meditation Change of Plans Civilized Scholar Collector's Vault Conqueror's Foothold Copycrook Coralhelm Chronicler Currency Converter Customs Depot Cyclonus, the Saboteur Daily Bugle Newspaper Data Scrubber Deal Broker Deny Entry Desolate Lighthouse Diviner of Fates Doc Ock's Henchmen Doctor Doom, King of Latveria Dragonborn Looter Dreadwing Scavenger Echo Inspector Elite Instructor Emet-Selch, Unsundered Enclave Cryptologist Erratic Visionary Evangel of Synthesis Evie Frye Facet Reader Failed Inspection Flying Drone Frontline Sage Furtive Analyst Furtive Courier Geyser Leaper Goben, Gene-Splice Savant Gran-Gran Grixis Battlemage Hapless Researcher Hard Cover Harrier Strix Hypnotic Grifter Icewind Elemental Illuminator Virtuoso Improbable Alliance Inspired Sprite Jace Reawakened Jace, Cunning Castaway Jace, Vryn's Prodigy Jalum Tome
Since you're trying to make a lot of copies of Deadpool, Trading Card, the list includes several creatures with myriad which can benefit from being copied themselves
Some good sites to get ready-to-print PDFs with MTG look-a-like proxies are MTGpress and Deckrealm
