If this has happened once already in a turn, you can double the number of +1/+1 counters on that creature
While the representations of these decks may vary from local metagame to local metagame, and may not line up with the MTGO representation, I believe this outlines the relative strength of decks against each other
Then, of course, there are your own shenanigans
A handful of the Amethyst cards still get played in the game's top decks, but there's not much else to work with once you're ready to build a custom deck of your own
Considering the amount of money being offered, however, its likely only a matter of time before a sale takes place
Check out this classic ramping three-drop 1/1 Elf body duo