Worldfire Worldfire is the most chaotic card, as it gets rid of any board state and life total
However, lands only make up a portion of a 100-card deck, and there aren't that many Deserts in Magic to begin with, so it's really up to the nonlands in your deck to pull the Desert theme together
The idea here is that your opponents first draws each turn are replaced by an impulse draw instead, meaning they either play that card that turn, or lose it forever
Activate only if you control a Plains or an Island
While it can be expensive when seeking out the rarest cards, quite a number of singles at TCG player can also be bought at a low price
Rhystic Study often gets a draw off of every spell an opponent casts even when they know the unwritten rule when facing a Rhystic Study- "ALWAYS PAY FOR RHYSTIC STUDY." And make no mistake, always pay