Haldan, Avid Arcanist [Commander 2020] HER040 Whenever Barbed Servitor is dealt

Whenever Barbed Servitor is dealt damage

target opponent loses life equal to Marionette Master’s power

Set: Avacyn Restored Type: Creature — Human Cleric Rarity: Uncommon Cost: {2}{W} {T}

For information from hidden zones like the hand

Haldan, Avid Arcanist [Commander 2020] HER040 Whenever Barbed Servitor is dealtSet: Commander 2020 Type: Legendary Creature Human Wizard Rarity: Mythic Cost: {2}{U} Partner with Pako, Arcane Retriever (When this creature enters the battlefield, target player may put Pako into their hand from their library, then shuffle.) You may play noncreature cards from exile with fetch counters on them if you exiled them, and you may spend mana as though it were mana of any color to cast those spells.