When your opponent activates a card or effect that targets exactly 1 "Ninja" card or exactly 1 face-down Defense Position monster you control, while this card is in your GY (Quick Effect): You can Special Summon this card in face-down Defense Position, and if you do, return that targeted card to the hand
Ifrit should last long enough to trade off with something good in combat while it also helps you to filter some cards out of your hand

Undead Unleashed | Commander | Wizards of the Coast Commander (1) 1 Wilhelt, the Rotcleaver Creatures (31) 1 Butcher of Malakir 1 Cemetery Reaper 1 Cleaver Skaab 1 Corpse Augur 1 Death Baron 1 Diregraf Captain 1 Diregraf Colossus 1 Eater of Hope 1 Eloise, Nephalia Sleuth 1 Eternal Skylord 1 Fleshbag Marauder 1 Forgotten Creation 1 Gisa and Geralf 1 Gleaming Overseer 1 Gorex, the Tombshell 1 Gravespawn Sovereign 1 Havengul Runebinder 1 Hordewing Skaab 1 Liliana's Devotee 1 Lord of the Accursed 1 Midnight Reaper 1 Overseer of the Damned 1 Prowling Geistcatcher 1 Ravenous Rotbelly 1 Ruthless Deathfang 1 Shadow Kin 1 Spark Reaper 1 Stitcher Geralf 1 Tomb Tyrant 1 Undead Alchemist 1 Undead Augur Planeswalkers (1) 1 Liliana, Death's Majesty Instants (3) 1 Aetherspouts 1 Drown in Dreams 1 Go for the Throat Sorceries (10) 1 Army of the Damned 1 Dark Salvation 1 Distant Melody 1 Dread Summons 1 Empty the Laboratory 1 Feed the Swarm 1 Ghouls' Night Out 1 Hour of Eternity 1 Syphon Flesh 1 Zombie Apocalypse Enchantments (7) 1 Curse of the Restless Dead 1 Curse of Unbinding 1 Dreadhorde Invasion 1 Endless Ranks of the Dead 1 Liliana's Mastery 1 Open the Graves 1 Rooftop Storm Artifacts (7) 1 Arcane Signet 1 Charcoal Diamond 1 Commander's Sphere 1 Crowded Crypt 1 Sky Diamond 1 Sol Ring 1 Talisman of Dominance WOW

For example, if it ends up that creatures you control get +1/+1 until end of turn, but you don't control any, you're out of luck
Seismitoad Black Bolt #105/086 on eBay Bonus: Smoking Charmander Not a TCG card in the traditional sense, but worth knowing about
I understand that perspective in general but cards are simply to difficult to read quickly now