Other cards you could add are Thassa's Oracle, Bident of Thassa, Retreat to Coralhelm, maybe High Tide, Tidal Influence, Tidal Surge, Tidal Wave, or high-toughness Crabs like Ancient Crab to hold the fort while you mill
When Did Mill Become a Keyword
Constructed matches follow a number of individual formats, including Standard, in which cards from a defined number of recent expansions are allowed
Green Gigantosaurus 2 Imperious Perfect Pelakka Wurm Reclamation Sage Heroes' Bane Predator Ooze Primal Might Primeval Bounty Rampaging Baloths Surrak, the Hunt Caller Vizier of the Menagerie Wildborn Preserver Elvish Regrower Quakestrider Ceratops Bite Down Broken Wings Bushwhack 2 Dwynen's Elite Garruk's Uprising Giant Growth 4 Llanowar Elves Overrun Snakeskin Veil Wildwood Scourge Thornweald Archer 2 Circuitous Route Fierce Empath Fynn, the Fangbearer Gnarlback Rhino Mold Adder Ordeal of Nylea Springbloom Druid Venom Connoisseur Both copies of Imperious Perfect are in traditional foil
You can enchant it with other Auras, equip it, use it to crew Vehicles, and so on
I do like the artwork -- design-wise it's the most basic imp demon you could think up of, but that expression really does sell the flavour of the creature
