Ritual of the Machine

As an additional cost to cast this spell, sacrifice a creature.
Gain control of target nonartifact, nonblack creature.

Sengir Vampire

Flying (This creature can’t be blocked except by creatures with flying or reach.)
Whenever a creature dealt damage by Sengir Vampire this turn dies, put a +1/+1 counter on Sengir Vampire.

Carapace

Enchant creature
Enchanted creature gets +0/+2.
Sacrifice Carapace: Regenerate enchanted creature.

Carapace

Enchant creature
Enchanted creature gets +0/+2.
Sacrifice Carapace: Regenerate enchanted creature.

Anaba Shaman

, : Anaba Shaman deals 1 damage to any target.

Anaba Ancestor

: Another target Minotaur creature gets +1/+1 until end of turn.

Serra Bestiary

Enchant creature
At the beginning of your upkeep, sacrifice Serra Bestiary unless you pay .
Enchanted creature can’t attack or block, and its activated abilities with in their costs can’t be activated.

Anaba Shaman

, : Anaba Shaman deals 1 damage to any target.

Labyrinth Minotaur

Whenever Labyrinth Minotaur blocks a creature, that creature doesn’t untap during its controller’s next untap step.

Anaba Bodyguard

First strike (This creature deals combat damage before creatures without first strike.)

Labyrinth Minotaur

Whenever Labyrinth Minotaur blocks a creature, that creature doesn’t untap during its controller’s next untap step.

Anaba Bodyguard

First strike (This creature deals combat damage before creatures without first strike.)

Urza’s Mine

: Add . If you control an Urza’s Power-Plant and an Urza’s Tower, add instead.

Black Mana Battery

, : Put a charge counter on Black Mana Battery.
, Remove any number of charge counters from Black Mana Battery: Add , then add an additional for each charge counter removed this way.

Urza’s Mine

: Add . If you control an Urza’s Power-Plant and an Urza’s Tower, add instead.

Blood Lust

If target creature has toughness 5 or greater, it gets +4/-4 until end of turn. Otherwise, it gets +4/-X until end of turn, where X is its toughness minus 1.

Vampire Bats

Flying (This creature can’t be blocked except by creatures with flying or reach.)
: Vampire Bats gets +1/+0 until end of turn. Activate this ability no more than twice each turn.

Urza’s Mine

: Add . If you control an Urza’s Power-Plant and an Urza’s Tower, add instead.

Fishliver Oil

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)
Enchanted creature has islandwalk. (It can’t be blocked as long as defending player controls an Island.)