You lose the option on playing it for black and you have to exile the things you return but you will be sacrificing your stuff before then so it doesn't matter a jot
Today, this card's price will easily set you back $40,000-$50,000 for a played copy
There are already a deluge of good mana-doubler effects in Green, like Zendikar Resurgent, Regal Behemoth, and Nissa Who Shakes the World, with other ways to achieve similar effects by dipping into artifacts and secondary colors
More importantly, Scrooge McDuck, Richest Duck in the World has the ability I Didnt Get Rich by Being Stupid - which allows players to play an item for free whenever this card banishes another character on their turn
Quandrix Command This card is one of the trickier ones to evaluate
Burgerchu from the McDonalds 25th Anniversary set is an obvious pick, a promo a lot of us have a soft spot for