3 is really asking how much you are willing to pay for this effect
It compares unfavorably to Selvala, Heart of the Wilds, but its still pretty ridiculous that this can tap for 2, 4, even 6 mana a turn all while becoming a huge threat
Regardless, I think this speaks volumes to the job Wizards has done in protecting the sanctity of the color pie
With the added buff, this card also goes great in a Voltron package or any kind of Xenagos, God of Revels style beatdown deck
Return up to two creature cards from your graveyard to your hand
If it's not your turn and you gain control of a creature with a boast ability after that creature attacked, you can activate that creature's boast ability if it hasn't been activated yet that turn