Landfall - Whenever a land enters the battlefield under your control, exile the top card of your library
Tools to help evaluate your Gengar cards: Card Value Checker |Condition Guide |Trade Calculator The value of your Gengar card depends on several factors: Based on current market data, these are some of the most expensive Gengar cards: A: Gengar EX cards typically range from $5-50 for common variants, with Full Art and promotional versions worth $20-500+ depending on condition and set
There are also a few cards that count as whatever creature type you need for your party, like Stonework Packbeast, Tajuru Paragon, and Veteran Adventurer
The one-mana mode of Dread Fugue will trade for cards you could have just spent spot removal on (and an Infernal Grasp drawn later will be more useful than a Dread Fugue), where Inquisition of Kozilek can trade for things that youre glad to handle before they resolve
I hope you've enjoyed this mechanical deep dive, and if you have comments or questions please drop a comment below, or stop by the Draftsim Discord for a chat