
Mulligan to try to grab a 1 or 2-drop. Start drawing sites early so you can get to six. Play creatures. Hit with creatures. Play magic to burn stuff.
Once you're at six sites, draw two cards every turn.
Play two creatures a turn. Hit with creatures or burn stuff with magic. It's that easy. Don't worry about overextending, you'll get more cards and rebuild.
Your avatar's life is for naught. Just slay and continue the relentless assault like a red comet destroying everything in its path.