Taric, The Shield of Valoran

Taric, The Shield of Valoran has Double Strike
as long as it is your turn.
At the beginning of your upkeep, choose a
creature. Taric, The Shield of Valoran and the
chosen creature have +0/+2 until end of turn.
{1}{w/u}{w/u}: Taric, The Shield of Valoran deals 3
damage to target creature. That cannot attack or
block this turn.