Black Lotus

black-lotus

Adds 3 mana of any single colour of your choice to your mana pool, then is discarded. Tapping this artifact can be played as an interrupt.

Thoughtseize

thoughtseize

Target player reveals his or her hand. You choose a nonland card from it. That player discards that card. You lose 2 life.

Any dream is a robust harvest. Still, I prefer the timeworn dreams, heavy with import, that haunt the obsessive mind.