Ever Questing Knight

At the beginning of your upkeep, you may
pay {b}{b/r} and search your deck for up to one
mountain or swamp.
{4}{b}{r}{t}, pay 3 life, you may gain {1}
for every land you tap next turn.
The faithful knight will travel any distance,
face any peril to fulfill his master's wishes,
even from beyond the grave.