Kaven, Silver Dancer

{t}{g}{g}{g}: Create a fetish artifact token with Keyword ability of your choice, and "Sacrifice this token to give target creature it's abilities until the end of turn."
{t}{x}{b}: Create a X/X Elemental Creature Token with Haste and "Sacrifice this token at the end of the next turn."
{ut}{b}{r}{g}: Destroy target creature, then gain 1 life.