Another Patamon is pursued and bullied by a Goburimon in Gear Savannah when a Leomon hears its help cries comes and defeats the Goburimon, saving the Patamon

Academy at Tolaria West Aetherflux Conduit Asmodeus the Archfiend Backup Plan Celestial Convergence Cephalid Sage Chandra, Flame's Catalyst Colfenor's Plans Contract from Below Damia, Sage of Stone Drastic Revelation Dreadwing Scavenger Embrace My Diabolical Vision Ephara, God of the Polis Excavating Anurid Gilt-Leaf Archdruid Griselbrand Heaven Sent Illuminate History Into the Story Jace, Wielder of Mysteries Jace, the Living Guildpact Jin-Gitaxias Jin-Gitaxias, Core Augur Kefnet the Mindful Keranos, God of Storms Ketramose, the New Dawn Kiora, the Rising Tide Kozilek, the Great Distortion Library of Alexandria Lich's Mirror Lost Isle Calling Magus of the Library Master's Councillors Midnight Clock Midnight Oil New Perspectives Nicol Bolas, the Deceiver Nothic Parallel Thoughts Phone a Friend Pursuit of Knowledge Ral, Caller of Storms Raphael's Technique Reforge the Soul Resonating Lute Ruin Grinder Sail into the West Scroll of Origins Shoreline Looter Spirit Water Revival Stunning Reversal Tallyman of Nurgle Tersa Lightshatter The Grand Evolution The Master of Lake-town The World Spell Thought Shucker Timetwister Trenzalore Clocktower Ugin, the Spirit Dragon Weatherlight Compleated Weftwalking Wheel and Deal Wheel of Fortune Wheel of Potential Your Plans Mean Nothing

This is a decent range for what you can expect to pay for these, with direct sales from somebody who opens one likely going for the lower-end price range while purchasing from a larger company may be on the higher end
Even later games like my favorite, Nightmare Troubadour, would have issues like this because theres a lot of logic required for certain effects to work properly
Turn one: Robin Hood Turn two: Morph Turn three: Shift Robin Hood and sing Whole New World Beyond that, lets talk about some specific matchups and how you can tailor your mulligan to match it perfectly