Increasing Vengeance Trap

Flashback costs you pay cost less. Flashback costs your opponents pay cost more.

This creature enters with two +1/+1 counters on it. , Remove a +1/+1 counter from this creature: Target player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles.

If an opponent searched their library this turn, you may pay rather than pay this spell's mana cost. Target opponent mills thirteen cards.