The Ruby part of this deck includes the very handy Sumerian Talisman (that allows the player to draw a card every time one of their characters is banished in a challenge) and 2 copies of Dragon Fire to banish any opponent character you may struggle to deal with
Aboshan dies easily for a six mana creature - that three toughness is below the threshold for red commons in the draft (Fiery Temper, Firebolt with flashback, Flame Burst with another Burst or Pardic Firecat in the yard, Acceptable Losses, Swirling Sandstorm, Kamahl's Sledge, Sonic Seizure, and Ember Shot will kill it), making it a little too fragile to survive in most instances
Its one measly mana and it does a heck of a lot
Based on the latest market prices tracked on TCG Stacked, a foil copy of Karazikar, the Eye Tyrant is worth about $7.97 USD
If the spell has damage divided as it was put onto the stack, the division can't be changed for the copy, although the targets receiving that damage still can
But if you have flicker effects to hand, you can get endless value from this card's useful ETB