Wicked Role aura enchantment with "Enchant creature", "Enchanted creature gets +1/+1." and "When this Aura is put into a graveyard, each opponent loses 1 life." for Charming Scoundrel, Eriette's Whisper, Lord Skitter's Blessing, Not Dead After All, Price of Beauty, Shatter the Oath, Twisted Fealty, Twisted Sewer-Witch, The Witchs Vanity and Witchs Mark
Hover Barrier
For your late-game hitters and powerful EX cards, it can be used to boost their HP out of range of one-shots from certain attacks
Make Dugares, use the effect to summon back Kaleido, use it to send Wolf
But realistically, Mardu Siegebreaker is a 4/4 deathtouch haste that gives a creature you control pseudo-myriad, and thats a lot of damage coming out of nowhere