If that mana is spent to cast a non-Human creature spell, that creature enters with an additional +1/+1 counter on it
The other Commands (save for Silumgar's) all have dopey options you never really want much in multiplayer, Commander, or casual gaming, like gaining four life, preventing damage from a spell, or turning off life gain for a moment
I speak of course about Sylvan Caryatid and Courser of Kruphix, almost always complemented by some number of Scavenging Ooze
Used with the bounce package this card can get a lot of utility and turn games around fast
Today were getting our feet deep into rot and sewage, right into the rats nest, as we examine the best rats MTG has to offer
You really need other artifacts for this to be remotely playable, but itll be exceptional in the white/blue artifacts deck