FA Whip Crosser [MP18-EN159] Common

ATK gains equal to its Level x 300. Your opponent must pay 300 LP to activate the effect of a monster whose original Level/Rank is lower than this card's Level. Each time a "FA" Spell/Trap Card or effect is activated: You can increase this card's Level by 1. If this card is Level 7 or higher, your opponent cannot discard or send cards from their hand to the GY to activate a card effect.