As the triggered ability resolves, first the next opponent in turn order (or, if it's an opponent's turn, the opponent whose turn it is) chooses a creature they control, then each other opponent in turn order does the same, knowing the choices made before them
Aboleth Spawn Ancient Carp Blufferfish Breaching Hippocamp Bubble Smuggler Cloud Manta Coral Eel Dandn Deepglow Skate Devouring Deep Electric Eel Eluge, the Shoreless Sea Fleet Swallower Flying Dolphin-Fish Giant Koi Island Fish Jasconius Jace's Mindseeker Kapsho Kitefins Manta Ray Mer Man Moat Piranhas Mystic Skyfish Piranha Fly Ray Fillet, Man Ray Ray Fillet, Wave Warrior School of Piranha Scrounging Skyray Shipwreck Moray Skitter Eel Sky-Eel School Skyswimmer Koi Slipstream Eel Stinging Lionfish Surge Mare Tidal Barracuda Tui and La, Moon and Ocean Vivid Flying Fish Wavebreak Hippocamp Windrider Eel Wormfang Behemoth Wormfang Manta
Umbreon has the following attacks: Dark Binding - 40 damageIf the Defending Pokmon is a Basic Pokmon, it can't attack during your opponent's next turn
First edition Pokmon cards attract significant value due to their scarcity and historical importance
Playing Basic Pokmon to your Bench isnt always the optimal strategy
This is a bit simplified, but here's how a store manages Magic product