Unseen Walker [Mirage] SPA Motin you may exchange control of

you may exchange control of target creature you control and target creature an opponent controls

The earth's real treasure is far deeper

Set: Magic 2012 Type: Creature — Elf Druid Rarity: Common Cost: {G} {T}: Add {G}

Set: Oath of the Gatewatch Type: Creature — Eldrazi Mythic Cost: {6}{G} Devoid (This card has no color

If that mana is spent on an instant or sorcery spell

Unseen Walker [Mirage] SPA Motin you may exchange control ofSet: Mirage Type: Creature Dryad Rarity: Uncommon Cost: {1}{G} Forestwalk (This creature can't be blocked as long as defending player controls a Forest.) {1}{G}{G}: Target creature gains forestwalk until end of turn. "To pass through the jungle: silence, courtesy, ferocity, as the occasion demands." Kamau, "Proper Passage"