Monastery Mentor Restricted in Vintage, Monastery Mentor is one of the best prowess cards and therefore an excellent payoff for a spells-matter deck
Assassin Gauntlet comes down and taps all creatures one of your opponents controls
There were also ten functional reprints, which is to say that in an existing set (at that time) was a card that does the same thing but with a different name
K'rrik, Son of Yawgmoth K'rrik, Son of Yawgmoth is a very strong mono-black commander, and you can build it as a very strong and fast combo deck, or as a more fair deck
7) Your boss tells you it's okay to take the morning off to see the latest Lord of the Rings film
Cards like the above Cloudkin Seer, Mulldrifter, or ones that have to self-bounce to abuse, as they don't have abilities to merely flicker - such as Thornscape Battlemage