While it might not be a format-defining card in Constructed, I wouldn't be surprised to see this show up in Standard decks
You pay X mana, and then all your noncombat sources of damage deal X additional damage that turn
Kristen has rounded up some of the best ways to take from your opponents boards

Beginner: Red Dragon Archfiend Deck Who This Is For: Beginners Deck Strength: Strong Rule Complexity: Average Ease of Building: Easy to Collect and Build 2 Red Sprinter 1 Red Familiar 3 Wandering King Wildwind 3 Witch of the Black Forest 1 Creation Resonator 3 Crimson Resonator 3 Red Resonator 3 Synkron Resonator 1 Chain Resonator 3 Ascator, Dawnwalker 1 Fire Ant Ascator 3 Effect Veiler 1 Monster Reborn 3 Resonator Call 3 Resonator Command 1 Burning Soul 3 Red Reign 2 Red Carpet 1 Red Supernova Dragon 1 Hot Red Dragon Archfiend King Calamity 1 Tyrant Red Dragon Archfiend 1 Red Nova Dragon 1 Hot Red Dragon Archfiend Bane 2 Hot Red Dragon Archfiend Abyss 2 Scarlight Red Dragon Archfiend 1 Hot Red Dragon Archfiend 1 Red Dragon Archfiend 1 Chaos Ruler, the Chaotic Magical Dragon 3 Red Rising Dragon Instructor Created Deck #337: Laval Deck Featuring Book of Lunar Eclipse Continuously attack with Laval Dual Slasher A Laval Deck that uses Book of Lunar Eclipse

Tunnel Surveyor is just a great value card with good theme synergies, exactly what Im looking for in a number one common for a color
since playing with my niece, I have purchased far too many sealed products, including a pair of Elite Trainer Boxes and some preconstructed League Battle decks