Its nice that your artifact becomes an 8/8 permanently, but this design looks very fragile to me
The controller gains life equal to the creatures power, but thats often a negligible cost to pay for answering something like Blightsteel Colossus or Dockside Extortionist
There are many mechanics to trigger Tevals ability fairly and many ways to profit from it, be it reanimation, flashback, or cards like Life from the Loam
Although it holds the largest market share, it faces strong competitors that have also graded Pikachu Illustrator Holo specimens
[8] The five basic lands are as follows: White lands, or Plains, which produce white mana Blue lands, or Islands, which produce blue mana Black lands, or Swamps, which produce black mana Red lands, or Mountains, which produce red mana Green lands, or Forests, which produce green mana There are also different kinds of lands (dual-lands and tri-lands, for example), but the most a beginner needs to know is that basic lands produce mana of one color only, and that multicolor lands can produce mana of two or more colors
Nightmare Id be remiss to discuss nightmares without mentioning the literal thing