Rancor [Magic 2013] Arena League 2002 Spend this mana only to

Spend this mana only to cast colorless Eldrazi spells or activate abilities of colorless Eldrazi

"It triggers the hive's period of Ætheric fertility—a time when even feeding is a lower priority than reproduction

note its creature types

"The blessings of Gaea alone are no longer enough

Remove a charge counter from Surge Node: Put a charge counter on target artifact

Rancor [Magic 2013] Arena League 2002 Spend this mana only toSet: Magic 2013 Type: Enchantment Aura Rarity: Uncommon Cost: {G} Enchant creature Enchanted creature gets +2 +0 and has trample. When Rancor is put into a graveyard from the battlefield, return Rancor to its owner's hand.