mtg merfolk commander precon put a +1/+1 counter on Nicanzil Explorers of the Deep Commander

They also offer some powerful abilities as a major upside when they enter the battlefield

Sleeving hides a lot of minor variance, which is one reason sleeves are basically mandatory once youve been burned by a single bent corner

Iconic cards provide ultra-rare, chase cards for high-end collectors

If you've played for a while, you can probably pull together a Starn deck from your bulk commons and uncommons

Its so easy to build a mana base with little or no basic lands nowadays that you can quickly fill up your graveyard with tons of value or even empty the entire thing to win with a card like Thassas Oracle

It's amazing card at the end of an opponent's turn and then you untap and cast stuff