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
When you cast it this turn, this creature gains all activated abilities of that card until end of turn
[III] Exile this Saga, then return it to the battlefield transformed under your control
You gain life with each attack, without worrying about the punch-back since its got both vigilance and deathtouch, making it an unfavorable creature to block and a nasty rattlesnake to keep your opponents' attackers at bay
What makes Tiamat a powerful option is the ability to tutor up particular Dragons for certain situations
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