Ilharg, the Raze-Boar (Borderless Foil Etched) [Secret Lair Drop Series] Phyrexian Golem Spend this mana only to

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

but it was their similarities

Set: Unknown Event Type: Artifact Creature — Construct Rarity: Common T

You may play that card for as long as it remains exiled

Ilharg, the Raze-Boar (Borderless Foil Etched) [Secret Lair Drop Series] Phyrexian Golem Spend this mana only toSet: Secret Lair Drop Series Type: Legendary Creature Boar God Rarity: Mythic Cost: {3}{R}{R} Trample Whenever Ilharg, the Raze Boar attacks, you may put a creature card from your hand onto the battlefield tapped and attacking. Return that creature to your hand at the beginning of the next end step. When Ilharg, the Raze Boar dies or is put into exile from the battlefield, you may put it into its owner's library third from the top.