Toolcraft Exemplar [Kaladesh] BT6-081 Sacrifice a creature or enchantment:

Sacrifice a creature or enchantment: Blood Aspirant deals 1 damage to target creature

Set: Mirrodin Besieged Tokens Type: Token Creature — Zombie Rarity: Common

Set: Innistrad: Crimson Vow Tokens Type: Token Creature — Spirit Cleric Rarity: Common This creature’s power and toughness are each equal to the number of Spirits you control

sacrifice Porphyry Nodes

Set: Judgment Type: Sorcery Rarity: Rare Cost: {1}{B}{B} You may choose a card you own from outside the game and put it into your hand

Toolcraft Exemplar [Kaladesh] BT6-081 Sacrifice a creature or enchantment:Set: Kaladesh Type: Creature Dwarf Artificer Rarity: Rare Cost: {W} At the beginning of combat on your turn, if you control an artifact, Toolcraft Exemplar gets +2 +1 until end of turn. If you control three or more artifacts, it also gains first strike until end of turn. "If you wish to produce the finest work, you must start with the finest tools."