As if to remind everyone, Wizards graced us with some MagicCon Bloomburrow spoilers as well
While this doesn't get all the threats as Fierce Empath basically does this gets all the best ones and it does so for a mana less
[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
If Shards you control do become copies of the creature, they'll use the copiable values of the creature as it last existed on the battlefield