Thurri, Mountaineer

Whenever a Mountain enters the battlefield
under your control, target Dwarf you control
gets +1/+0 and gains first strike and haste until
end of turn.
{0}, Exile this card from your hand: If you own
no other cards in exile named Thurri,
Mountaineer, search your library for a basic
Mountain card, reveal it, put it into your
hand, then shuffle. Activate this ability
only during your upkeep.