It only takes three defense counters to defeat, tying it for the least among the battles, which is also solid, and then the backside is fine, as a 4/4 that can make some extra mana
However, Wizards came to believe that this impeded easy recognition of a card and that having multiple versions caused confusion when identifying a card at a glance
2021-03-19 Because delve isnt an alternative cost, it can be used in conjunction with alternative costs, such as flashback

Heres what I ended up with: Creatures (40) 1 Horned Sliver 1 Mnemonic Sliver 1 Muscle Sliver 1 Heart Sliver 1 Root Sliver 1 Blade Sliver 1 Synapse Sliver 1 Essence Sliver 1 Quick Sliver 1 Hunter Sliver 1 Hibernation Sliver 1 Basal Sliver 1 Bonesplitter Sliver 1 Dementia Sliver 1 Gemhide Sliver 1 Harmonic Sliver 1 Might Sliver 1 Opaline Sliver 1 Screeching Sliver 1 Telekinetic Sliver 1 Two-Headed Sliver 1 Battering Sliver 1 Darkheart Sliver 1 Dormant Sliver 1 Frenetic Sliver 1 Necrotic Sliver 1 Reflex Sliver 1 Sinew Sliver 1 Homing Sliver 1 Sliver Legion 1 Virulent Sliver 1 Chameleon Colossus 1 Sentinel Sliver 1 Striking Sliver 1 Battle Sliver 1 Megantic Sliver 1 Predatory Sliver 1 Galerider Sliver 1 Syphon Sliver 1 Manaweft Sliver Lands (38) Spells (21) 1 Sensei's Divining Top 1 Sylvan Library 1 Sol Ring 1 Aether Vial 1 Fellwar Stone 1 Darksteel Ingot 1 Patriarch's Bidding 1 Harsh Mercy 1 Cryptic Gateway 1 Greater Good 1 Unnatural Selection 1 Springleaf Drum 1 Distant Melody 1 Door of Destinies 1 Cauldron of Souls 1 Eldrazi Monument 1 Expedition Map 1 Nim Deathmantle 1 Call to the Kindred 1 Staff of Nin 1 Chromatic Lantern I decided to make this a true five-color Sliver deck, so with that in mind color-fixing was a priority

Adding another treasure producing setup creature to Izzet decks will give them more consistency in the early to mid-game