They also tend to pay life points to unlock their effects, while their synchro monsters specialize in gaining you those life points back (and then some!) Since then, a couple of psychic decks have actually made their way into the meta game
Normally, attacking means that you need to tap your creature
The X in the casting cost applies to damage and the number of creatures you target, giving you the flexibility to wipe a board however you want while leaving behind a powerful Enchantment
You need to be able to support a colorless Land, and if getting to isn't likely, it won't work, but Westvale Abbey is solid in many decks as a mana sink, and Ormendahl is a problematic threat no matter the situation
Or at the very least lock Special Summons for the turn so the player can't follow up with Fusion or Ritual Summons, Call of Haunted/reborn effects, etc.
Grand Abolisher If you really wanna combo off, Grand Abolisher is your bud