Royal Ludroth

Whenever this creature attacks, you may exert it.
If you do, reveal the top card of your library. If it's
a land, you may put it on the battlefield tapped.
Otherwise, draw a card.
{2}{u}: Scry 3
This meownster's mane is full of water, just like a
squishy sponge! But it's scary when it gets mad, so
don't play with it.