(1) If you control a Vampire monster, when a monster effect, or a Spell/Trap Card is activated: Negate that activation, and if you do, destroy it, then, if that destroyed card was a monster, gain LP equal to its original ATK.
Timetwister If you look through the list of mechanics in the games history, you occasionally see effects like Timetwister
Later on, this would be averted, as a large swathe of support was released for the three that made them actually playable, albeit usually more as the central piece of a large number of cards
2 Trainer, and No
This means that it can draw up to three cards per turn in a Commander game, a feat that's not too uncommon during protracted stack battles where free interaction is flying around left and right and players are already tapped out