You'll also note the artifacts that can help any tribe in here as well
First, if you are the active player (if it's your turn) and have more cards in hand than their maximum hand size (usually seven), then you must discard down to that number
You untap lands, along with other permanents like creatures and artifacts, during the untap step, before your upkeep
So getting out two or three Merfolk out ahead of your commander is actually a good thing, because when he's out, instead of Exploring once, you can do it multiple times
Exalted Sunborn Number five is Exalted Sunborn , a flying Angel Wizard with lifelink that gives you a touch of the Doubling Season effect of double tokens
Honorable Mentions If you play in a casual group that allows silver-bordered or acorn-stamped cards, there are some hilarious and chaotic dice-roll commanders worth mentioning