When wet-trapping one ink over another, back-trapping is when ink on the paper is being lifted-off by a following print unit
1 Atraxa, Praetors' Voice If Liesa was kind-of-angelic-but-not-really, Atraxa is the anti-Angel
If you control three copies of Echoes of Eternity, you'll end up with nine copies of the spell plus the original
All Hallow's Eve Armageddon Clock Brambleback Brute Burdened Stoneback By Gnome Means Chisei, Heart of Oceans Clockwork Avian Clockwork Beast Delay Divine Intervention Etched Slith Fain, the Broker Ferropede Flitterwing Nuisance Gavel of the Righteous Glen Elendra Guardian Hexavus Hovel Hurler Hungry Hungry Heifer Leatherhead, Swamp Stalker Loch Mare Medicine Runner Mister Hyde, Monster Within Moonlit Lamenter O'aka, Traveling Merchant Power Conduit Rasputin Dreamweaver Sanctuary Warden Scholar of New Horizons Slumbering Walker Soul Diviner Spinal Parasite The Duke, Rebel Sentry Thrull Parasite Xavier Sal, Infested Captain
Cursed Mirror is the poster-child of the double dip