Helvetica, One-Winged Angel

Flying, First Strike.
{w}{u}: Helvetica becomes a 5/5 with Flying, Unblockable and Hexproof until end of turn.
{w}{r}: Helvetica becomes a 5/5 with Flying, Double Strike and Menace until end of turn.
{w}{g}: Helvetica becomes a 5/5 with Flying, Trample and Lifelink until end of turn.