Goblin Ringleader

Haste (This creature can attack and {T} as soon as it comes under your control.)
When Goblin Ringleader enters, reveal the top four cards of your library. Put all Goblin cards revealed this way into your hand and the rest on the bottom of your library in any order.

*Goblin_Chieftain:* sweet filter!!1! #gobmob
*Thrun_TheLastTroll:* lol glad i wasn't there

Secret Lair Drop

Core Set 2020

Haste (This creature can attack and {T} as soon as it comes under your control.)
When Goblin Ringleader enters the battlefield, reveal the top four cards of your library. Put all Goblin cards revealed this way into your hand and the rest on the bottom of your library in any order.

Duel Decks: Merfolk vs. Goblins

Haste
When Goblin Ringleader enters the battlefield, reveal the top four cards of your library. Put all Goblin cards revealed this way into your hand and the rest on the bottom of your library in any order.

Duel Decks Anthology: Elves vs. Goblins

Vintage Masters

If an effect refers to a “[subtype] spell” or “[subtype] card,” it refers only to a spell or card that has that subtype. For example, Goblin Gathering is a card that creates Goblins and features Goblins in its illustration, but it isn’t a Goblin card.