Wrexial the Risen Deep

“<div class="SecretLair"><strong> Math is for Blockers</strong></div><br>Islandwalk, swampwalk <em>(This creature can’t be blocked as long as defending player controls an Island or a Swamp.)</em> <br>Whenever Wrexial, the Risen Deep deals combat damage to a player, you may cast target instant or sorcery card from that player’s graveyard without paying its mana cost. If that spell would be put into a graveyard this turn, exile it instead.”