Masters Edition II

Caribou Range

Enchant land you control
Enchanted land has "{W}{W}, {T}: Put a 0/1 white Caribou creature token into play."
Sacrifice a Caribou token: You gain 1 life.

Enchant land you control
Enchanted land has "{W}{W}, {T}: Create a 0/1 white Caribou creature token."
Sacrifice a Caribou token: You gain 1 life.

Fifth Edition

Play only on a land you control.
o
Wo
W, Tap enchanted land: Put a Caribou token into play. Treat this token as a 0/1 white creature.
Sacrifice a Caribou token: Gain 1 life.

Ice Age

When Caribou Range comes into play, choose target land you control.
o
Wo
W: Tap land Caribou Range enchants to put a Caribou token into play. Treat this token as a 0/1 white creature.
o0: Sacrifice a Caribou token to gain 1 life.