Tectonic Fiend [Time Spiral] Condition:Heavily Played sacrifice it unless you return

sacrifice it unless you return another creature you control to its owner's hand

Set: Strixhaven: School of Mages Prerelease Promos Type: Instant Rarity: Rare Cost: {3}{B} You may pay {1}{B} rather than pay this spell’s mana cost

Set: Commander 2017 Type: Creature — Dragon Rarity: Rare Cost: {3}{W}{W} Flying

You may cast Marang River Prowler from your graveyard as long as you control a black or green permanent

When Earthshaker Khenra enters the battlefield

Tectonic Fiend [Time Spiral] Condition:Heavily Played sacrifice it unless you returnSet: Time Spiral Type: Creature Elemental Rarity: Uncommon Cost: {4}{R}{R} Echo {4}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) Tectonic Fiend attacks each combat if able. The barbarians of Pardia are long dead, but its mountains still smolder with rage.