Like most Pokmon cards, the value of Magcargo depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Great Encounters)
While the buyout may have started because of some hype posts on the MTGFinance Reddit, over the past few days the Bird has posted several finishes in Pioneer, showing up as a four-of in Esper Greasefang and in some Jeskai Ascendancy builds, and is seeing some Modern play as well
Prices can vary based on the set, the decks theme, and where you buy it
Legendary Planeswalker - Rowan Will The Wandering Emperor Flash As long as The Wandering Emperor entered this turn, you may activate her loyalty abilities any time you could cast an instant
Oath of Nissa naturally limits the number of enchantments you can play before it threatens to miss, but you were never looking to go that deep, and cards like Courser of Kruphix obviously help your density of enchantments without cutting into your Oath of Nissa hits
Blightcaster Call Blightcaster my pet card if you must, but it takes care of business with a free Stab with every enchantment you cast
