double sided mtg cards Get a Look at One of Magic: The Gathering's Twisty New Double-Sided Double sided card help :

In a vacuum, the card is most valuable as a Merfolk or for its progress in building one's devotion in blue, since this is a vacuum without consideration for players that intend to win primarily through The Oracle'sThe Oracle's triggered ability, but clearly the card reserves its Game Changing status due to how it is played

But, comparing this to many other two-mana choices shows a lot of upsides

It is played in pretty much every deck that plays red and is always a card one has to play around if the opponent has a Mountain up

Replay land effects that get your best lands back from the graveyard can maximize your mana base