Pros: Graveyard recursion Can block a big threat Cons: Double green in casting cost makes it harder to include in three, four, and five color decks How to get it: Fifth Dawn 7

$10.99 Relic of Sauron The Lord of the Rings: Tales of Middle-earth Commander Decks $0.35 Saruman's Trickery The Lord of the Rings: Tales of Middle-earth $23.99 Sauron, the Dark Lord The Lord of the Rings: Tales of Middle-earth $27.99 Nazgul (0100) The Lord of the Rings: Tales of Middle-earth $5.49 Call of the Ring The Lord of the Rings: Tales of Middle-earth $2.29 In the Darkness Bind Them The Lord of the Rings: Tales of Middle-earth Commander Decks $23.99 Sauron, the Dark Lord (0329 - Showcase) The Lord of the Rings: Tales of Middle-earth Variants $1.29 Shadow of the Enemy The Lord of the Rings: Tales of Middle-earth $2.49 One Ring to Rule Them All The Lord of the Rings: Tales of Middle-earth $8.99 Mount Doom The Lord of the Rings: Tales of Middle-earth $9.99 Witch-king of Angmar The Lord of the Rings: Tales of Middle-earth $0.99 Ringsight The Lord of the Rings: Tales of Middle-earth 0 results found

Based on the latest market prices tracked on TCG Stacked, a foil copy of Mega Gengar ex is worth about $65.98 USD
After unlocking the first Gold Flair for diamond rarity cards, more Flair effects will become available that cost more Shinedust and duplicate cards
Although probably not a one-to-one replacement with all 4 Goyfs, throwing in 1-2 Grunts as a bullet strategy is an interesting way to both solve your own Goyf woes and to make your graveyard-reliant opponent have a bad day
Some characters will be familiar friends