Livio, Oathsworn Sentinel is a rare Legendary Creature — Human Knight card from Magic: The Gathering (Magic Online Promos, PRM).
Rare
Magic Online Promos (PRM)
{1}{W}
Power / Toughness
2 / 2
Mana Value
2
Colors
W
Card Text
{1}{W}: Choose another target creature. Its controller may exile it with an aegis counter on it.
{2}{W}, {T}: Return all exiled cards with aegis counters on them to the battlefield under their owners' control.
Partner (You can have two commanders if both have partner.)
