If you have 10 or more in the Lost Zone, you can drop Fantina [Lost Origin] to reduce incoming damage by another minus 120 to make it minus 220 total
Monster Effect: You can only use the 1st, 2nd, and 3rd monster effect of this cards name each once per turn
A future staple for Gx commander decks
Not only is it a ton of damage but it's damage in place of life that should have been gained
But at the same time, Ive accumulated single copies of some really good blue spells for the time when I wanted to play on the dark side: I just recently traded for a Mana Drain, a card Ive secretly coveted for over twenty years, but thanks to a reprint I was able to pick up an Iconic Masters copy for a reasonable exchange
You're dealing directly with individuals, often locally, and the prices can be excellent or terrible