Horizon Seeker

Boast — : Search your library for a basic land card, reveal it, put it into your hand, then shuffle your library. (Activate this ability only if this creature attacked this turn and only once each turn.)

Varragoth, Bloodsky Sire

Deathtouch
Boast — : Target player searches their library for a card, then shuffles their library and puts that card on top of it. (Activate this ability only if this creature attacked this turn and only once each turn.)

Goldmaw Champion

Boast — : Tap target creature. (Activate this ability only if this creature attacked this turn and only once each turn.)