Core Set 2020

Wolfrider's Saddle | Artifact | Equipment | When Wolfrider's Saddle enters the battlefield, create a 2/2 green Wolf creature token, then attach Wolfrider's Saddle to it. Equipped creature gets +1/+1 and can't be blocked by more than one creature. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.) | Raoul Vitale

Diviner's Lockbox | Artifact | | {1}, {T}: Choose a card name, then reveal the top card of your library. If that card has the chosen name, sacrifice Diviner's Lockbox and draw three cards. Activate only as a sorcery. | Lake Hurwitz

Pattern Matcher | Artifact Creature | Golem | When Pattern Matcher enters the battlefield, you may search your library for a card with the same name as another creature you control, reveal it, put it into your hand, then shuffle. | Jesper Ejsing