Sigismund, The First Templar

When this card is attacking or blocking it gets one fervour counter
for each enemy destroyed in this battle phase.
Each fervour counter give +1/+1
When this card has 4 or more fervour counters
gets:
First Strike, Hexproof and ''When this
card declares an attack, other friendly
attacking troops get +2/0 until
the end of the battle ''