Sleeves these precious wont last long.
1995 Japanese Topsun Holographic Prism Charizard PSA 10 Recently Sold for $25,000 [Source] What Makes The Japanese Topsun Holographic Prism Charizard So Valuable
2006 Sets : Guildpact , Dissension , Coldsnap , and Time Spiral My Pick : Gemhide Sliver ( Time Spiral ) Honorable Mention : Swarmyard ( Time Spiral ) Looking through 2006, it's interesting to note how R&D took the lessons of previous typal themes to heart but didn't always apply them to creature types
If its a nonland card, the creature thats exploring gets a +1/+1 counter, and then you choose whether the revealed card stays on top of your library or goes to the graveyard
This makes them less ideal for frequent reprints, as they are more suited to special releases like the current Horizons set or Secret Lairs
Getting rid of blockers with the second mode can also come in really handy