Tyr

Hexproof
When Tyr enters the battlefield, he enters in his Offensive Stance.
You may change Tyr's stance only once a turn.
Offensive Stance: Pay {1}{w}{w}. Tyr goes into Offensive Stance.
While in this stance, Tyr gets +2/+0 and First Strike.
Defensive Stance: Pay {2}{w}. Tyr goes into Defensive Stance.
While in this stance, Tyr gets +0/+2 and Lifelink.