
Cloister Gargoyle | Artifact Creature | Gargoyle | When Cloister Gargoyle enters the battlefield, venture into the dungeon. (Enter the first room or advance to the next room.)
As long as you've completed a dungeon, Cloister Gargoyle gets +3/+0 and has flying. | Mark Zug
3.0 LSV

Silver Raven | Artifact Creature | Bird | Flying
When Silver Raven enters the battlefield, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) | Joe Slucher
1.5 LSV

Secret Door | Artifact Creature | Wall | Defender
{4}{U}: Venture into the dungeon. Activate only as a sorcery. (Enter the first room or advance to the next room.) | Francisco Miyara
1.5 LSV

Iron Golem | Artifact Creature | Golem | Vigilance
Iron Golem attacks or blocks each combat if able. | Nicholas Gregory
2.5 LSV