Demon's Herald [Shards of Alara]

Demon's Herald [Shards of Alara]Set: Shards of Alara Type: Creature Human Wizard Rarity: Uncommon Cost: {B} {2}{B}, {T}, Sacrifice a blue creature, a black creature, and a red creature: Search your library for a card named Prince of Thralls, put it onto the battlefield, then shuffle. "May these deaths be the first of many."

For each of those permanents

Set: Fifth Dawn Type: Sorcery Rarity: Rare Cost: {3}{U}{U} Search target opponent's library for an artifact card and put that card onto the battlefield under your control

Set: Kaladesh Inventions Type: Artifact Creature — Golem Rarity: Mythic Cost: {8} When Sundering Titan enters or leaves the battlefield

Set: Battlebond Type: Creature — Elf Warrior Rarity: Uncommon Cost: {4}{G} Partner with Soulblade Corrupter (When this creature enters the battlefield

or die with me

Set: Innistrad Type: Sorcery Rarity: Common Cost: {R} As an additional cost to cast this spell

its coldsteel heart imbuing it with sinister new power

Set: Dissension Type: Enchantment Rarity: Rare Cost: {3}{W} Whenever a creature you control dies

Only creatures can be enchanted this way

Rakdos festivals almost leave enough rubble in their wake to hide the bodies

or trample

Set: Aether Revolt Prerelease Promos Type: Artifact — Vehicle Rarity: Rare Cost: {3} {1}{W}: Another target Vehicle you control becomes an artifact creature until end of turn