The Traveler

REVEAL {2}: Choose one: Mountainwalk,
Forestwalk, Islandwalk, Swampwalk, or
Plainswalk. All creatures you control gain
that landwalk until end of turn.
At the beginning of your combat phase,
choose target creature you control. It gains
either Mountainwalk, Forestwalk, Islandwalk,
Swampwalk, or Plainswalk until end of turn.