magic the gathering innistrad remastered collector booster box – Mox Boarding House serialized Edgar Markov cards found in Innistrad Remastered are mechanically identical to their serialized variants Innistrad Remastered - Collector Booster

If flipping coins can work for Mistys Energy acceleration, then flipping a coin to get back an essential card you want to use again falls under the lines of Pokemon TCG other card standards

Left-Hand Shark X WATER Level 3 [ Fish / Effect ] ATK 1300 DEF 1500 If this card is Special Summoned from the GY: This card's Level becomes 4

Evil HERO Infernal Prodigy X DARK Level 2 [ Fiend / Effect ] ATK 300 DEF 600 If you control no monsters, you can Special Summon this card (from your hand) in Attack Position

C Common Tindangle Delaunay X TRAP When you take battle damage from an opponent's attacking monster, while you have 3 or more "Tindangle" monsters with different names in your GY: You can destroy the attacking monster, and if you do, Special Summon 1 "Tindangle Acute Cerberus" from your Extra Deck