Sentinel of the Nameless City (Promo Pack) [The Lost Caverns of Ixalan Promos] Limited Edition in which unpredictable events have

in which unpredictable events have nasty effects on the game

As a beaver's teeth grow unchecked without regular use

and the line is quick to remind others of its heritage

I gather water lilies

Sentinel of the Nameless City (Promo Pack) [The Lost Caverns of Ixalan Promos] Limited Edition in which unpredictable events haveSet: The Lost Caverns of Ixalan Promos Type: Creature Merfolk Warrior Scout Rarity: Rare Cost: {2}{G} Vigilance Whenever Sentinel of the Nameless City enters the battlefield or attacks, create a Map token. (It's an artifact with "1, T, Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.") "Halt, traveler. Whatever you seek, you will not find it here."