By attaching to creatures with just one toughness, their demise grants the controller two fresh cards
Don't worry, though, the decks you know and love are still usable, but they'll have several changes, and you'll have to adapt a bit to them
Mossbridge Troll It asks you to tap a bunch of creatures to give it +20/+20
It takes any Vampire deck and gives them different modes of attack, as the -3 ability can immediately accelerate a larger threat on the battlefield that your opponents must deal with immediately
This was one of my favorite cards for a long time and it still hold nostalgic value
Other creatures have activated abilities that rely on creatures that are already tapped, such as Anafenza, the Foremost and Alibou, Ancient Witness, buffing them while dealing damage