I still dont have a clue what shes wrapping, but they look more like gifts in the holiday promo as opposed to unwanted, uninteresting objects in the original art

Abominable Treefolk Adarkar Valkyrie Adarkar Windform Alpine Guide Ascendant Spirit Avalanche Caller Berg Strider Blizzard Specter Blizzard Strix Boreal Centaur Boreal Druid Boreal Griffin Boreal Outrider Centaur Omenreader Chillerpillar Chilling Shade Conifer Wurm Diamond Faerie Draugr Necromancer Frost Augur Frost Raptor Frostpeak Yeti Frostwalla Frostweb Spider Goblin Rimerunner Grim Draugr Gutless Ghoul Hailstorm Valkyrie Ice-Fang Coatl Iceberg Cancrix Icebreaker Kraken Icehide Golem Icehide Troll Isu the Abominable Jorn, God of Winter Karplusan Wolverine Moritte of the Frost Narfi, Betrayer King Ohran Frostfang Ohran Viper Ohran Yeti Phyrexian Ironfoot Phyrexian Snowcrusher Phyrexian Soulgorger Pilfering Hawk Priest of the Haunted Edge Rime Tender Rimebound Dead Rimefeather Owl Rimehorn Aurochs Rimescale Dragon Ronom Serpent Saddled Rimestag Sculptor of Winter Spirit of the Aldergard Squall Drifter Stalking Yeti Svella, Ice Shaper Thermopod Wall of Shards Zombie Musher

Its classic Magic to overwhelm the board with creatures and beat your opponents into submission
You can have them enter the battlefield with haste and trample, which provides a huge and immediate threat that can swing a race, kill quickly, or surprise attack a planeswalker or battle
Study Borderless Planeswalkers, Dragons, and Lands We're honoring the esteemed professors, Founder Dragons, and locales of Strixhaven on a selection of borderless cards
Your best choice is to use asymmetrical stax effects like Narset, Parter of Veils, but you can also counter symmetrical effects with some reduction of your own