Even ignoring combos, Magic has so many busted lands like Nykthos, Shrine to Nyx and Gaea's Cradle that this giant would become premium green top-end
Assemble the Legion Shattering Blow Goblin Legionnaire Goblin Trenches Boros Swiftblade Duergar Hedge-Mage Wear / Tear Flame-kin Zealot Aurelia's Warleader Aurelia's Fury Double Cleave Spitemare Deflecting Palm Firemane Angel Iroas, God of Victory Release (/Catch) Ride Down Tajic, Blade of the Legion Chain to the Rocks
You can try Progenitor Mimic or Rite of Replication, or a commander that makes copies like Esix, Fractal Bloom
Basic deck information tools can be found under the decks Settings (the gear icon) draw sample hands and see the mana curve/mana symbol distribution at a glance
Negate only works on a god if its not a creature on the stack
To put it plainly: the quality can be rough compared to better options