Options include: Boros Signet, Orzhov Signet, Rakdos Signet, Coldsteel Heart, Fellwar Stone, Sol Ring, Sphere of the Suns, Talisman of Indulgence, Wayfarer's Bauble, Myriad Landscape, Commander's Sphere, Darksteel Ingot, Chromatic Lantern, Coalition Relic, Burnished Hart Mana Fixing Lands To maximize the chances of you dropping Kaalia of the Vast on turn 3, you'll want to focus on lands that produce more than one colored mana and don't enter the battlefield tapped
At the beginning of combat on your turn, a nonland permanent we control becomes an X/X with crew 2 where X is its mana value
In other words, if you kick it, you get a rebate on two of the mana you spend to cast it
Phantom Nishoba [Cat]: Square and hard to take out, but Path to Exile and Swords to Plowshares can do it
When that happens, it's important that your opponent doesn't win