Right now, you can buy the bundles as part of a limited time deal for just $190, or less than $50 per deck
Unlike my normal articles where Id go over every new card, Im instead going to suggest some cards to add to make the decks a little more consistent, power it up, and get rid of some cards that dont quite synergize enough
Contents: 12 Magic: The GatheringMarvels Spider-Man Collector Boosters
Maindeck Creature 2 Atraxa, Grand Unifier 4 Evangel of Synthesis 3 Hidetsugu and Kairi 2 Phyrexian Fleshgorger 1 Sheoldred // The True Scriptures 3 Sheoldred, the Apocalypse Sorcery 2 Breach the Multiverse 1 Soul Transfer Instant 2 Cut Down 3 Go for the Throat 3 Make Disappear Land 4 Darkslick Shores 2 Island 1 Otawara, Soaring City 4 Shipwreck Marsh 5 Swamp 1 Takenuma, Abandoned Mire 4 Underground River 4 Xanders Lounge Battle 4 Invasion of Amonkhet // Lazotep Convert Planeswalker 1 Kaito Shizuki 1 Liliana of the Veil Enchantment 3 The Cruelty of Gix Sideboard 1 Disdainful Stroke 4 Duress 2 Glistening Deluge 2 Graveyard Trespasser // Graveyard Glutton 2 Negate 4 Siphon Insight Here is a gameplay video I recorded of the match and strategy of the deck
However, there are some incredible tools to work around this restriction, and the best card in this regard is Mudragon of the Swamp
Take the delayed tap ability, fragile body, and once-per-turn characteristics of Fauna Shaman and throw them out the window