Olivia Voldaren (Foil) Ajani then you may return a

then you may return a land card from your graveyard to the battlefield tapped

enchanted Swamp becomes a 2/2 black Spirit creature with "{B}: This creature gets +1/+1 until end of turn

As long as a creature card with flying is in a graveyard

that player chooses up to two creatures they control

Each opponent chooses a creature they control

Olivia Voldaren (Foil) Ajani then you may return aFlying {1}{R}: Olivia Voldaren deals 1 damage to another target creature. That creature becomes a Vampire in addition to its other types. Put a +1 +1 counter on Olivia Voldaren. {3}{B}{B}: Gain control of target Vampire for as long as you control Olivia Voldaren.