Avacynian Priest

Checkpoint Officer

Blinding Souleater

{W/P}, {T}: Tap target creature. ({W/P} can be paid with either {W} or 2 life.)

Borrowing 100,000 Arrows

Draw a card for each tapped creature target opponent controls.

Sharae of Numbing Depths

When Sharae of Numbing Depths enters, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)
Whenever you tap one or more untapped creatures your opponents control, draw a card. This ability triggers only once each turn.

Blinding Drone

Devoid (This card has no color.)
{C}, {T}: Tap target creature. ({C} represents colorless mana.)

Burden of Guilt

Enchant creature
{1}: Tap enchanted creature.

Benalish Trapper

Court Street Denizen

Whenever another white creature you control enters, tap target creature an opponent controls.

Downpour

Ballynock Trapper

{T}: Tap target creature.
Whenever you cast a white spell, you may untap Ballynock Trapper.

Dizzying Swoop

Tap up to two target creatures. (Then exile this card. You may cast the creature later from exile.)

Ardenvale Tactician

Ardenvale Tactician // Dizzying Swoop

Curse of Chains

Enchant creature
At the beginning of each upkeep, tap enchanted creature.

Akroan Mastiff

Bola Slinger

Backup 1 (When this creature enters, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.)
Whenever this creature attacks, tap target artifact or creature an opponent controls.

Chrome Prowler

Flash
When Chrome Prowler enters, tap target creature an opponent controls.

Crippling Chill

Tap target creature. It doesn't untap during its controller's next untap step.
Draw a card.

Chillbringer

Flying
When Chillbringer enters, tap target creature an opponent controls. It doesn't untap during its controller's next untap step.

Akroan Jailer

Blinding Mage

Choking Tethers

Tap up to four target creatures.
Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)
When you cycle Choking Tethers, you may tap target creature.