Quietus Spike [Streets of New Capenna Commander] Phyrexian Elf Warrior Set: Magic 2014 Type: Enchantment

Set: Magic 2014 Type: Enchantment Rarity: Mythic Cost: {5}{G} Whenever you cast a creature spell

You will have to find food

Set: Antiquities Type: Creature — Human Artificer Rarity: Common Cost: {1}{U} {T}

Set: Innistrad: Double Feature Prerelease Promos Type: Enchantment Rarity: Rare Cost: {2}{B}{B} At the beginning of your upkeep

but it was their similarities

Quietus Spike [Streets of New Capenna Commander] Phyrexian Elf Warrior Set: Magic 2014 Type: EnchantmentSet: Streets of New Capenna Commander Type: Artifact Equipment Rarity: Rare Cost: {3} Equipped creature has deathtouch. Whenever equipped creature deals combat damage to a player, that player loses half their life, rounded up. Equip {3}