Heffalumps and Woozles is amazing, even if it only stops one or two lore in a Quest because it draws you a card, can be sung, and is inkable
In a way that's very much like the story of the Trojan Horse, the gift you give your opponent appears to have one of your creatures inside of it and it attacks the enemy because it still works for you
All in all one of Magic's best mana dorks
Finally, the payoff from using a blink spell or blinking your commander needs to be really, really good
Green is your most obvious and flexible third color, though, with the cross-synergy of GW Food effects hard to ignore (and some decent food generation in black to boot)
(It can't be the target of spells or abilities.) Enchantment - Aura Color tag templates(None) Warstorm Surge Whenever a creature you control enters, it deals damage equal to its power to any target