The fact that you can draft multiple and turn this card into a splashable counterspell is nothing to scoff at
Its always a good idea to attack with your high-power dragons, but why not benefit from their high toughness as well
The easiest way to tell is by looking at the set symbol on the card
Ancient Greenwarden is one of your best landfall enablers
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Decks that want to draw cards with Fact or Fiction are very unlikely to also be able to optimally use a Skullclamp, decks that have the mana to bust out a five or more mana draw spell are similarly unlikely to also want to use the economic but slow Ancestral Visions
