Fated Clash

You may cast this spell as though it had flash if a creature is attacking and a creature is blocking. Target creature you control and target creature an opponent controls each gain indestructible until end of turn. Then destroy all creatures.

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6ol4defbrdpb1hvl0tn6te.