TYPE
Creature — Merfolk Scout

ABILITY
Whenever a creature you control explores, Merfolk Cave-Diver gets +1/+0 until end of turn and can't be blocked this turn.

POWER/TOUGHNESS
2/4

FLAVOR TEXT
"Learn all you can of this underground sea. I suspect more secrets of our ancestors lie waiting in its depths." —Tishana

ILLUSTRATOR
Fesbra

LEGALITIES
Standard Future Historic Timeless Gladiator Pioneer Explorer Modern Legacy Pauper Vintage Penny Commander Oathbreaker Standardbrawl Brawl Alchemy Paupercommander Duel Oldschool Premodern Predh

LANGUAGES
DE EN ES FR IT JP PT ZH-CN

RULINGS

• 2023-11-10 If an ability instructs a creature to explore, its controller reveals the top card of their library. If it's a land card, they'll put it into their hand. Otherwise, they'll put a +1/+1 counter on that creature, then choose to either leave that card on top of their library or put it into their graveyard.
• 2023-11-10 If a resolving spell or ability instructs a specific creature to explore but that creature has left the battlefield, the creature still explores. If you reveal a nonland card this way, you won't put a +1/+1 counter on anything, but you may put the revealed card into your graveyard. Effects that trigger "whenever a creature explores" trigger as appropriate.
• 2023-11-10 In some unusual cases, noncreature permanents may explore. For example, if the creature card returned by Defossilize is somehow not a creature once it's on the battlefield, it can still explore. You'll take all the same actions, and you may end up putting a +1/+1 counter on the permanent. (Note that some effects target a creature, and those effects would still require a legal target to have it explore.)
• 2023-11-10 If a creature leaves the battlefield before an effect instructs it to explore, it still explores. Abilities like Merfolk Cave-Diver's that trigger whenever a creature you control explores will still trigger.
• 2023-11-10 Once an ability that causes a creature to explore begins to resolve, no player may take any other actions until it's done. Notably, opponents can't try to remove the exploring creature after you reveal a nonland card but before it receives a counter.
• 2023-11-10 Some spells or abilities might cause a creature to explore multiple times in a row. If you reveal a nonland card when a creature explores and leave it on top of your library, then the creature explores again immediately afterwards, you'll reveal the same card again.
• 2023-11-10 If no card is revealed, most likely because that player's library is empty, the exploring creature receives a +1/+1 counter.