The One Ring (Magic Lord of the Rings | Magic Cards) prices are based on the historic sales
Damage on the Stack Whats the total damage
Every time your goblins attack, you get more goblins, and every creature that enters your side of the field pings your opponents
Or, the player can cast a non-legendary enchantment creature first, then follow up with Ondu Spiritdancer, since this ability only triggers once per turn.
Note that if you cast the troll from your graveyard (for instance, through the effect of Havengul Lichs activated ability), it enters the battlefield from the stack, meaning, it is not in the graveyard at the fateful moment, and the effect of the Trolls first ability doesnt take it to account
Its probably the best card in that set a one-off, non-committal Poison tool that can be very strong in both aggro and stall strategies