Reef Dragon

{1}{r}: Reef Dragon gains flying until end of turn.
{1}{u}: Reef Dragon gains shroud until end of
turn.
{u}{r}, {t}: Reef Dragon explores (Reveal the top
card of your library. Put that card into your hand if
it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)