must have mtg cards for commander Must, 5 MTG Best Commander staple cards-

The frog-generation ability represents their frog-catching obsession, while the "sacrifice a Frog for +1/+1 counters" tries to recreate their eat-to-grow-stronger philosophy

Mirko is the legendary creature, surveilling to gain +1/+1 counters and bringing creatures back from the graveyard to the battlefield

Sphere is a really cool board wipe

(5/29/2014) If the spell being copied is modal (that is, it says "Choose one " or the like), the copy will have the same mode

It brings the full package of keywords (flying, first strike, trample, lifelink, and haste) while it also hands them out to every other spider you control at the start of combat