Rune of Retaliation

Enchant land
Enchanted land has "{2}, {t}, Pay 1 life: Add three
mana in any combination of {r} and/or {w} and/or {b} to your mana pool."
Cycling {2} ({2}, Discard this card; draw a card.)
When you cycle Rune of Retaliation, target
creature you control gains protection from green
and from blue until end of turn.