Polar Bear In Arlington, Texas

Select one mana cost from a spell in your hand:
• Target {w} becomes {b}
• Target {b} becomes {g}
• Target {g} becomes {u}
{bull} Target {u} becomes {r}
{bull} Target {r} becomes {w}

Fblthp had no idea how he ended up among a band of voracious phyrexians.