Persistent Petitioners [Secret Lair Drop Series] Mystery Loot Set: The List Type: Artifact

Set: The List Type: Artifact Rarity: Rare Cost: {6} When Contagion Engine enters the battlefield

Set: Unknown Event Type: Legendary Artifact Land — Vehicle Island Rarity: Common (T: Add U

Put that card onto the battlefield and the rest on the bottom of your library in a random order

Set: The Lost Caverns of Ixalan Promos Type: Land Rarity: Mythic As Cavern of Souls enters the battlefield

At the beginning of your upkeep

Persistent Petitioners [Secret Lair Drop Series] Mystery Loot Set: The List Type: ArtifactSet: Secret Lair Drop Series Type: Creature Human Advisor Rarity: Rare Cost: {1}{U} {1}, {T}: Target player mills a card. Tap four untapped Advisors you control: Target player mills twelve cards. A deck can have any number of cards named Persistent Petitioners. . . . the communal bone garden is in dire need of new vertebrae, plus . . .