Activate Lightning Greaves' equip ability by paying {0}, targeting Angelic Protector.
Angelic Protector triggers, giving itself +0/+3 until end of turn.
Resolve the Lightning Greaves ability, attaching it to Angelic Protector.
Activate Lightning Greaves' equip ability by paying {0}, attaching it to another creature you control.
Repeat an arbitrarily large number of times.
Deal combat damage to an opponent with Angelic Protector, causing the opponent to lose the game due to having zero or less life.

Infinite combat damage to one opponent

Doran, the Siege Tower

Angelic Protector

Lightning Greaves

Pay {0} to activate Outrider en-Kor, targeting Angelic Protector.
Angelic Protector triggers, giving itself +0/+3 untill end of turn.
Repeat steps 1-2 untill Angelic Protector has infinite toughness.
Pay {W} to cast Worthy Cause, sacrificing Angelic Protector and gaining life equal to its toughness.

Infinite lifegain

Outrider en-Kor

Worthy Cause

High Alert

Activate Lightning Greaves' equip ability by paying {0}, targeting Angelic Protector.
Angelic Protector triggers, giving itself +0/+3 until end of turn.
Resolve the Lightning Greaves ability, attaching it to Angelic Protector.
Activate Lightning Greaves' equip ability by paying {0}, attaching it to another creature you control.
Repeat an arbitrarily large number of times.
Cast Crookclaw Transmuter by paying {3}{U}.
Crookclaw Transmuter enters the battlefield, switching Angelic Protector's power and toughness until end of turn.
Deal combat damage to an opponent with Angelic Protector, causing the opponent to lose the game due to having zero or less life.

Combos with "Angelic Protector"