Lavinia of the Tenth | Legendary Creature | Human Soldier | Protection from red
When Lavinia of the Tenth enters the battlefield, detain each nonland permanent your opponents control with mana value 4 or less. (Until your next turn, those permanents can't attack or block and their activated abilities can't be activated.) | Willian Murai
Obzedat's Aid | Sorcery | | Return target permanent card from your graveyard to the battlefield. | Dan Scott
Mirko Vosk, Mind Drinker | Legendary Creature | Vampire | Flying
Whenever Mirko Vosk, Mind Drinker deals combat damage to a player, that player reveals cards from the top of their library until they reveal four land cards, then puts those cards into their graveyard. | Chase Stone
Zhur-Taa Ancient | Creature | Beast | Whenever a player taps a land for mana, that player adds one mana of any type that land produced. | Adam Paquette