Regardless of all that, I think the aspect that will bring the most joy is to collect the Pokemon that you like because you like them
Large scale conflicts, or will we get smaller encounters too
The master sets are from the Skyridge, Aquapolis, Expedition, Legendary Collection and EX Ruby & Sapphire expansions
However some have the argument for the card it represents 'racial cleansing'
If it's not for you well, there's plenty more of interest on the MTG release schedule.
Archive Haunt Basilica Bell-Haunt Chill Haunting Emergent Haunting Ghastly Haunting Hallowed Haunting Haunt of the Dead Marshes Haunt the Network Haunted Angel Haunted Cadaver Haunted Cloak Haunted Crossroads Haunted Dead Haunted Fengraf Haunted Guardian Haunted Hellride Haunted House Haunted House Haunted Library Haunted Mire Haunted One Haunted Plate Mail Haunted Ridge Haunted Screen Haunter of Nightveil Haunting Apparition Haunting Echoes Haunting Figment Haunting Hymn Haunting Imitation Haunting Misery Haunting Voyage Haunting Wind Hauntwoods Shrieker Hook-Haunt Drifter Kaya, Ghost Haunter (playtest) Midnight Haunting Moira, Urborg Haunt Moorland Haunt Oliphaunt Overlord of the Hauntwoods Priest of the Haunted Edge Tattered Haunter The Haunt of Hightower