Magic The Gathering has surprised us time and time again with their innovative Secret Lair drops
Without doubt, the best of all the green Dragons is Old Gnawbone
Creatures (31) 4 Borderland Ranger 4 Arbor Elf 4 Avacyn's Pilgrim 3 Thalia, Guardian of Thraben 4 Huntmaster of the Fells 4 Restoration Angel 4 Thragtusk 4 Loxodon Smiter Lands (25) Spells (4) Sideboard 4/4 creatures are big, in particular on turn 2
Abilities that trigger when a permanent turns face up won't trigger, because even though you revealed the card, it never turned face up
The real question is whether any kind of Prophetic Flamespeaker deck can take off
If you counter a delayed triggered ability that triggers at the beginning of the "next" occurrence of a specified step or phase, that ability won't trigger again the following time that phase or step occurs