Guildpact's Blessing

When Guildpact's Blessing enters the battlefield
if mana of two different colors was not spent
to cast it, sacrifice Guildpact's Blessing
Enchant creature you control
Enchanted creature has +2/+2, menace, and "Whenever this creature deals combat damage
to a player, you may return target multicolored creature from your graveyard to your hand."