You also probably want the Feywild Visitor background and to change the Commander over to Tegwyll (or even Obyra, Dreaming Duelist if youre going that wide)
Basically, youd skip a turn in order to take an extra turn at some later point
Switch 67/73 is a Uncommon card and belongs to Uncommon cards of Shining Legends series
The fact the cards with a tap symbol can only be used once a turn is important
This page shows current market prices, recent eBay sales, PSA graded values, and price history for this Special Illustration Rare card from Phantasmal Flames
Golgari Ouroboroid (5 players) : Golgari Ouroboroid shares many key green cards with its Simic sibling but adds black for removal spells, Lively Dirge, and Overlord of the Balemurk, letting it find Ouroboroid more consistently