Credit: Wizards of the Coast Park Bleater FromTheShire: More often than not you're going to be looking for ability stickers and power/toughness stickers, both of which require tickets, and this helpful employee is going to fuel you in that direction quickly, especially if you're going wide as it does not specify nontoken creatures
Especially when the deck is built around such strong cards, it is frustrating when exactly that card can no longer be used in official tournaments
If your metagame is more powerful or combo-centric, however, youll probably want to stick with the kind of disruptive and interactive enchantments I hinted at earlier: Leyline Binding, Contamination, Ritual of Subdual, Rule of Law, Stony Silence, Painful Quandary, Suppression Field and so forth
Let's take a look at the staple cards if you want to run a machinehead EDH list
When someone plays a card you dont know, always request to read it, and if need be, ask its owner to explain the card to you