What makes Tiamat a powerful option is the ability to tutor up particular Dragons for certain situations
Lastly, while I've got you here: for anyone that would prefer to start their 40-card experience with Sealed Deck (and/or doesn't know what that term even means) make sure to check Jeff Cunningham's archive for the best Sealed Deck introduction series I've ever seen anywhere
While Sprite Dragon asks you to cobble together just enough blue disruption to make its attacks lethal, Sea-Dasher Octopus can provide enough disruption for a blue deck to stand toe-to-toe with some of Moderns more powerful foes
[III] Exile this Saga, then return it to the battlefield transformed under your control
Kida Royal Warrior This is the second Kida card weve been introduced to in Into the Inklands so far
Gideon, Ally of Zendikar has been dominating Standard for many months now, and I believe the power level of Gideon of the Trials is very close