As long as equipped creature is untapped, untapped creatures you control get +0/+2
When you do, Foray of Orcs deals X damage to target creature an opponent controls, where X is the amassed Army's power
The Aura is a three-drop flash that gives a big fat 10 toughness, normally you would use this as a combat trick to same something in combat or from burn based removal
We talked more about that here
It was also a highlight for me that we both picked cards originally from Portal Three Kingdoms and reprints with Richard Kane Ferguson art
Whenever this creature enters or transforms into Sygg, Wanderwine Wisdom, target creature gains Whenever this creature deals combat damage to a player or planeswalker, draw a card until end of turn