Some Magic cards may have a barcode, usually on the bottom right corner or back
Black and green are both secondary at card drawing, both are decent at token creation (although green is a bit stronger in this department), and both are good at destructionalthough what they are capable of destroying varies between the colors (black is good at destroying creatures and land while green is good at destroying artifacts, enchantments, and land)
This tutor spell lets you search your deck or graveyard for a creature with a mana cost of X or less, with X being whatever you pay into casting it
Matte and hyper matte do better in this regard, as glossy sleeves tend to stick together when shuffling much more
That Pokmon may use this cards attack instead of its own
Reverse holographic cards have a shiny layer around the artwork, rather than the entire card being holographic