Im adding this to my wait and see list
While double-faced cards are enormously successful, they were controversial in 2011
That said, it can be a more involved process in comparison to selling your cards to a local collectibles store

Rusko, Clockmaker Rusko, Clockmaker | Illustration by Samuel Perin Commander (1) Planeswalker (1) Creature (5) Ledger Shredder Oracle of the Alpha Displacer Kitten Spark Double Thassa, Deep-Dwelling Instant (31) Consider Cut Down Dark Ritual Essence Flux Fading Hope Fatal Push Malakir Rebirth Miscast Opt Rona's Vortex Spell Pierce Wash Away Disdainful Stroke Essence Scatter Go for the Throat Heartless Act Impulse Infernal Grasp Negate Planar Incision Power Word Kill Seek New Knowledge Siren's Ruse Teferi's Time Twist Tyrant's Scorn Blur Sewer Plague Silundi Vision Thirst for Discovery Thirst for Knowledge Baleful Mastery Sorcery (13) Bloodchief's Thirst Duress Karn's Temporal Sundering Mind Spike Shattering Finale Thought Erasure Grim Tutor Solve the Equation Toxic Deluge Irenicus's Vile Duplication River's Rebuke A-Alrund's Epiphany Sea Gate Restoration Enchantment (2) Witness Protection Penregon Besieged Artifact (11) Mishra's Bauble Mox Amber Chromatic Sphere Chromatic Star Arcane Signet Coldsteel Heart Guardian Idol Mind Stone Relic of Legends Key to the Archive Paradox Engine Land (36) A-Thran Portal Clearwater Pathway Command Tower Drowned Catacomb Fabled Passage Island x16 Otawara, Soaring City Shipwreck Marsh Swamp x11 Takenuma, Abandoned Mire Watery Grave That's enough about ramp decks

Each card in the deck must differ from each other card in the deck in at least one of the following: Name, Pokmon Type, HP, Retreat Cost, Weakness, Resistance, Ancient Trait, Ability, Pokmon Power, Pok-Power, Pok-Body, or Attack (where attack cost and base attack damage are considered a part of the attack), with the following exceptions: You may include any number of basic energy cards with the same name