mtg rat tribal commander deck Karumonix, King POISON TOXIC RAT Magic Custom Gnawer gives rats Fear Which rat commander do you

Even the chaos ability lets you draw a card

Theyre good in Commander, but theyre also only good in Commander, which should limit the impact of speculation

The first is a triggered ability: "When this permanent enters the battlefield, target player may search their library for a card named [name], reveal it, put it into their hand, then shuffle their library." Note that the target player searches their library (which may be affected by effects such as that of Stranglehold) and that the card they find is revealed, even though these words aren't included in the ability's reminder text

You can enchant any troublesome permanent and turn it into a harmless forest

It also plays nicely with Magics many leaves the graveyard payoffs like Teval, the Balanced Scale since it consistently triggers them once each turn