Shambleshark has evolve and a starting toughness of 1, which should make it easy to stack counters onto it
Zera the Mant, Archlord Zerato or Mazera DeVille, whom each have a whopping 2800 ATK (for perspective, your strongest monster in your Starter Deck at this point has 2400 ATK ), meaning that unless you've got a good Field Spell or some other powerful effects to support or buff your monsters, the Duel can suddenly take a very sharp turn against you
Number C103: Ragnafinity has an upgraded version of this effect where she first deals effect damage equal to the difference between the target's original and current ATK before banishing it instead
In my recent TCGplayer Infinite article, 5 More Izzet MTG Cards You Should Be Playing in Commander, I discuss five Izzet cards worth your consideration in the 99 of an MTG Commander deck
Have fun with your 23 traps when you face Deck Recipe : Zoodiac (New Limit regulation) Deck List : Monsters (7) 3 Zoodiac Thoroughblade 3 Zoodiac Whiptail 1 Zoodiac Ratpier Spells (10) 1 Harpie's Feather Duster 2 Pot of Desires 1 Dark Hole 1 Soul Charge 3 Smashing Ground 2 Fire Formation - Fire Formation - Tenki Traps (23) 3 Quaking Mirror Force 3 Mirror Force 3 Torrential Tribute 1 Starlight Road 1 Ring of Destruction 3 Compulsory Evacuation Device 1 Vanity's Emptiness 3 Macro Cosmos 3 Solemn Strike 1 Solemn Judgment 1 Solemn Warning Extra Deck (15) 1 Stardust Dragon 3 Zoodiac Tigermortar 2 Zoodiac Hammerkong 2 Zoodiac Lyca 2 Zoodiac Boarbow 3 Zoodiac Broadbull Presented by GONDORA
How Are MTG Card Prices Determined