That means they can spam create tokens, any tokens they own
It's trivially easy to get it into your graveyard: that puts an Artifact into the graveyard, handy for turning on a Dragon Rage Channeller's Delirium ability or pumping up a 'Goyf, and providing another card
Comfey The beating heart of the Lost Zone engine Its not just Item cards like Corlesss Experiment and Lost Vacuum that can fill up the Lost Zone
Commander blue-red control Instant (22) 1x AEther Tradewinds 1x Aetherize 1x Blustersquall 1x Bombard 1x Brainstorm 1x Convolute 1x Dissolve 1x Engulf the Shore 1x Essence Scatter 1x High Tide 1x Hornswoggle 1x Hungry Flames 1x Leave in the Dust 1x Magmaquake 1x Mana Leak 1x Mirror Match 1x Mystic Confluence 1x Negate 1x Opt 1x Shock 1x Snap 1x Spell Rupture Enchantment (7) Sorcery (16) 1x Call to Mind 1x Chain Reaction 1x Deja Vu 1x Grasping Current 1x Mizzium Mortars 1x Mizzix's Mastery 1x Mutiny 1x Open Into Wonder 1x Ponder 1x Preordain 1x Pull from the Deep 1x Relearn 1x Rite of Replication 1x River's Rebuke 1x Silent Departure 1x Sleep Land (36) 1x Command Tower 24x Island 1x Izzet Boilerworks 6x Mountain 1x Reliquary Tower 1x Temple of the False God 1x Vivid Crag 1x Vivid Creek Artifact (4) Commander (1) Creature (13) 1x Archaeomancer 1x Arjun, the Shifting Flame 1x Docent of Perfection Flip 1x Gigantoplasm 1x Goblin Electromancer 1x Illusory Ambusher 1x Melek, Izzet Paragon 1x Mizzix of the Izmagnus 1x Protean Raider 1x Psychosis Crawler 1x Siren Stormtamer 1x Talrand, Sky Summoner 1x The Locust God
New mechanics, like frost tokens, add strategic depth
He attacks her directly with "Skiel", but is protected by the physical attack of "Skiel" with the help of the monsters in her Deck
