
Detention Sphere | Enchantment | | When Detention Sphere enters the battlefield, you may exile target nonland permanent not named Detention Sphere and all other permanents with the same name as that permanent.
When Detention Sphere leaves the battlefield, return the exiled cards to the battlefield under their owner's control. | Kev Walker

Lyev Skyknight | Creature | Human Knight | Flying
When Lyev Skyknight enters the battlefield, detain target nonland permanent an opponent controls. (Until your next turn, that permanent can't attack or block and its activated abilities can't be activated.) | Johannes Voss

Sphinx's Revelation | Instant | | You gain X life and draw X cards. | Slawomir Maniak

Vassal Soul | Creature | Spirit | Flying | Dan Scott

Centaur Healer | Creature | Centaur Cleric | When Centaur Healer enters the battlefield, you gain 3 life. | Mark Zug

Common Bond | Instant | | Put a +1/+1 counter on target creature.
Put a +1/+1 counter on target creature. | Raymond Swanland

Loxodon Smiter | Creature | Elephant Soldier | This spell can't be countered.
If a spell or ability an opponent controls causes you to discard Loxodon Smiter, put it onto the battlefield instead of putting it into your graveyard. | Ryan Barger

Wayfaring Temple | Creature | Elemental | Wayfaring Temple's power and toughness are each equal to the number of creatures you control.
Whenever Wayfaring Temple deals combat damage to a player, populate. (Create a token that's a copy of a creature token you control.) | Peter Mohrbacher