The card is fairly powerful, and has the effect of Teeth and Ambitions built in
By casting it, players can deal 2 damage, and by casting another instant with 3 mana value or more, they can cast another, reaching the 4 damage required to give you a card draw during the end step
Once you get your four legendary creatures, it's a beautifully strategic hideaway land to bounce and cast spells for
Coming into play tapped or always dealing you damage is often too much of a drawback to have on many or any of your lands and would not be worth it for a marginal effect
Final Fantasy Final Fantasy play boosters show off what the WotC team worked so hard on with detailed callbacks to each of the 16 main RPG games
While you can play around with this if you want, if you're new, you may want to use it as a relatively strict guide