Smaug, The Terrible

Flying, Trample
When Smaug, The Terrible blocks, you can sacrifice a Gemstone token.
If you do so choose up to one:
-You gain 1 life and other opponents lose 1 life
-Choose a creature. That creature has flying and
gets +2/+2 for two turns
{3}{r}{b} - Create {x} Gemstone tokens, where
{x} is the number of permanents you control with {r} and {b} in their cost.