Bruse Tarl, Boorish Herder may not bring an animal companion with him (I like to pretend his is Taurean Mauler), but does have a mighty enhancement to lend anyone worthy of his strength
Cards that have a wide, sweeping effect (such as Grab Your Sword which deals two damage to all opposing characters) became extra powerful because they hit all three opponents at once
Im most inclined to suggest a Voltron playstyle for Kefka, since both halves benefit from combat buffs, but honestly, you can build any deck around him
(To have this creature explore, reveal the top card of your library
My favourite counterspell in these lists because of that is Spell Pierce (8), it is hitting what you need it to and it has a very high demand on your opponent given its cost meaning it is a surprisingly hard counter in cube
Kolaghans Command Kolaghan's Commands mana value can be a bit too high for each of its individual effects