all cards are artifacts mtg Old artifact card from 1999 sees 900% price rise *This is of Rare rarity Encroaching Mycosynth MTG - Phyrexia:

Product features

The most popular archetype in Pioneer, Rakdos Midrange, often runs a couple, where they have potential to combo nicely with Unstoppable Slasher, Reflection of Kikki-Jikki, or the deck's giant demon tokens

There are about 50 copies total on that site, including 20 or so held by ChannelFireball, but the curve from $25 to $40 is relatively steep past the first 10 copies, and the rest of the web is carrying another 50-60 copies with a similar price curve

Ok, then here's the Top 50 Keyworded Cards of all time

For Final Fantasy fans and MTG players alike, this card is going to be highly prized, to say the least

If one or more +1/+1 counters would be put on a creature, twice that many +1/+1 counters are put on that creature instead