It's a 2 card combo, which is obviously a downside compared to UI being one card. But it's basically: "7 mana: Draw 4 Cards. Deal 4 Damage. Summon a 4/2." So we're talking 1 less damage, 1 less card, no armour, and a 4/2 instead of a 5/5, but it comes out THREE TURNS earlier. not to mention you're drawing even more cards if you already had any minions on board to trade with.
UI was just absurd, so anything that does something similar to that is something to be trifled with. Not to mention, it's just a great card even without that synergy. Meta-defining card, easily - assuming druids are any good this expansion. Which I would imagine they will be.
....I hope not just token this time around.
Also before anyone says it, I realize part of why UI was so powerful was because druids could easily ramp to it with their amazing 5 mana nourishes and 2 mana wild growths. And now that their ramp has been heavily nerfed, it wouldn't be quite as powerful. But it's still a really great card, and this combo is still ridiculous, regardless of ramp.