(Transform this if it's not attached to a creature. Pay {3}{G} as a sorcery to unattach it.) Enchant creature you control Elven Mount's rider gets +3/+3 and has trample.
At the beginning of combat on your turn, look at the top card of your library. You may reveal it. If you do, target creature gets +X/+X until end of turn, where X is the revealed card's mana value.
Defiance (Whenever this creature takes damage, if it survives and wasn't defiant, put a +1/+1 counter on it and it becomes defiant.) At the beginning of your upkeep, if Elvish Songseeker has a +1/+1 counter on it, exile the top card of your library. Until your next turn, you may play that card.
Defiance (Whenever this creature takes damage, if it survives and wasn't defiant, put a +1/+1 counter on it and it becomes defiant.) {4}{R}: Elvish Verseblade deals 1 damage to each creature. Activate only as a sorcery.
Haste At the beginning of your upkeep, sacrifice Ember of Ancient Infernos unless you pay {R}.
With its high technological advancements, Ivenge's world hadn't seen fire in centuries... until the firekin returned and saw they had catching up to do.
Colossal 2—{3}{R}(You may cast this for its colossal cost to have it enter with two +1/+1 counters; or pay {3}{R} as a sorcery: Put two +1/+1 counters on it if it has none.) When Emberhound's colossal ability puts one or more counters on it, target creature can't block this turn.
“These creatures can only breathe while underground, yet must emerge upwards to hunt. Being out of their element, unable to breathe, makes them very aggressive.” —Dr. Yulius, field notes
When Emirik Invigilator enters, exile target creature an opponent controls until Emirik Invigilator leaves the battlefield. Fleeting {W}(You may cast this spell for its fleeting cost. If you do, sacrifice it at the beginning of the next end step.)