Syr Tristain, the Inquisitive

Vigilance
Whenever Ser Tristain, the Inquisitive attacks or blocks, explore. (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 on top or into your graveyard.)
{w}{u}: Scry 1.