First strike (This creature deals combat damage before creatures without first strike.),
lifelink (Damage dealt by the creature also causes its controller to gain that much life.)
At the beginning of your postcombat main phase, if you gained life this turn,
seek (To seek a card, put one at random from your library into your hand.) a card with the highest mana value among cards in your library with mana value less than or equal to the amount of life you gained this turn.