Given were not assessing promos, and only looking at the cheapest prices of new cards, however, these cards dont entirely count.
On the face of it, its easy to think of this as just drawing two cards, but what it actually lets you do is keep all three of the cards you drew if you want to and put a couple of land cards back on top of your deck - or cards you cant afford to cast yet but can next turn
five mana thats effectively whatever color you want means the jokes probably on your opponents
You also get way more effects triggered by your creatures dying
As always, different individuals have different budget concerns, and your LGS may not always be the cheapest option, so consider what works best for you and your personal needs
It's also the first token mechanic designed specifically for multiplayer play