Skyclave Aerialist {1}{U}
Creature — Merfolk Scout
Flying
{4}{G/P}: Transform Skyclave Aerialist. Activate only as a sorcery. ({G/P} can be paid with either {G} or 2 life.)
2/1
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Skyclave Invader
Color Indicator: Blue and Green
Creature — Phyrexian Merfolk Scout
Flying
When this creature transforms into Skyclave Invader, look at the top card of your library. If it's a land card, you may put it onto the battlefield. If you don't put the card onto the battlefield, put it into your hand.
2/4