This is three mana to draw three cards, which is great by any standard, and the downside of giving opponents cards is less severe than it seems
Some kind of legendary package being where Titania fits is one answer, and another more concrete example is that these cards are going in my Spooky Cube
Sure, that's a lot, but he's an uncounterable 8/12 with trample and ward 4 too
Whenever a creature you control with a +1/+1 counter on it dies, return that card to the battlefield under your control at the beginning of the next end step
As such, the card is seeing fringe play in Legacy in Aluren as you are able to Venture and complete dungeons, especially Lost Mine of Phandelver
Given the size of the decks, this is no easy feat