Demoralize

Instant - (common)

All creatures gain menace until end of turn. (They can't be blocked except by two or more creatures.)
Threshold — If seven or more cards are in your graveyard, creatures can't block this turn.

Price

tcgplayer 0.14

cardmarket 0.11

cardkingdom 0.35

cardsphere 0.23

manapool 0.15