Ogres have an affinity for rats (Ravnican ogres, at least), and these are epitomized in Ogre Slumlord and Ratcatcher
Every spell you cast that isnt a creature makes him bigger with counters and pings all opponents for one damage
Many protection spells, such as Akroma's Will and Heroic Reinforcements, only provide opposing boards with indestructibility, so exile-based wraths safely ignore them
Additionally, in Azurite Sea there will be plenty of other aliens to choose from in Steel such as John Silver, Billy Bones, and more
Equip the Pariah to Brash Taunter, deal the Taunter any kind of damage, Repercussion would also make you take the damage, but Pariah redirects the damage to Brash Taunter, then rinse and repeat until your opponents have been burnt to a crisp
Put the rest into your graveyard