Let's say the original Gruff dies, and you still have the two token copies in play - Both would get three +1/+1 counters, becoming 6/6s with trample
Blue Flash Creature (24) 1x Chancellor of the Spires 1x Chromeshell Crab 1x Clone 1x Draining Whelk 1x Echo Mage 1x Gomazoa 1x Guard Gomazoa 1x Guile 1x Jace's Archivist 1x Jin-Gitaxias, Core Augur 1x Kaho, Minamo Historian 1x Meloku the Clouded Mirror 1x Mischievous Quanar 1x Mnemonic Wall 1x Mulldrifter 1x Nephalia Smuggler 1x Phyrexian Metamorph 1x Riddlekeeper 1x Sphinx of Uthuun 1x Teferi, Mage of Zhalfir 1x Uyo, Silent Prophet 1x Venser, Shaper Savant 1x Willbender Planeswalker (2) Land (35) Enchantment (11) 1x Cast Through Time 1x Curse of the Bloody Tome 1x Dream Halls 1x Followed Footsteps 1x Infinite Reflection 1x Jace's Erasure 1x Memory Erosion 1x Propaganda 1x Rhystic Study 1x Spellweaver Volute 1x Spirit Away Artifact (10) 1x Conjurer's Closet 1x Elixir of Immortality 1x Howling Mine 1x Isochron Scepter 1x Mimic Vat 1x Mindlock Orb 1x Otherworld Atlas 1x Sensei's Divining Top 1x Sol Ring 1x Tormod's Crypt Instant (10) Sorcery (8) 1x Bribery 1x Devastation Tide 1x Increasing Confusion 1x Knowledge Exploitation 1x Preordain 1x Skyscribing 1x Stolen Goods 1x Windfall
Its still a land. This allows you to just send in your biggest Creatures and effectively double Obuuns power every turn
This allows to play a higher variation of card combinations and strategies, while keeping a limit on the expenses
If I were to make some suggestions, I'd suggest ironing out the land and color bug
