This Jace isn't even close to top-tier anymore, but it's still talked about as though it's an unbeatable planeswalker
Overlord of Hauntwoods, Floodpits, and Boilerbilges are valuable for their abilities in-game and unique designs
A popular choice in that regard is a red creature card called Brash Taunter, an indestructible Goblin that when dealt damage, does that much damage to target opponent
Falling into the Ruby ink type, Aladdin - Heroic Outlaw has a high summoning cost of 7 ink, but, like some other cards, has the "Shift" trait, so it can be played on top of an already-in-play Aladdin card for only 5 ink
You're not going to get much off of it if your commander only costs one or two mana (though you could still topdeck something spicy, it isn't worth the gamble of eight mana)