mtg murders of karlov manor card list at Commander Decks: Decklists & Spoilers MTG Murders at Karlov Manor:

Gideon is written in both the game and lore as an inspiring hero who leads by example, and he has bravely fought the Eldrazi on several different worlds

The closer you look the more the differences jump out

Any time you cast a spell, Consuming Aberration forces each opponent to mill until they reveal a land card

Most importantly, though Sphere Grid both grows your creatures and gives creatures with +1/+1 counters reach and trample

Three Steps Ahead Three Steps Ahead is a control players dream counter

If they wanted a second Kiki-Jiki like effect (aside from Splinter Twin), Fable of the Mirror Breaker is a decent option