Xira Arien

Flying
{B}{R}{G}, {T}: Target player draws a card.

Bloodstained Mire

{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Wooded Foothills: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

This spell can't be countered.
Destroy target nonland permanent with mana value 3 or less.

{T}, Pay 1 life, Sacrifice Verdant Catacombs: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.

Destroy target creature with mana value 3 or less. It can't be regenerated.

{X}, Sacrifice Pernicious Deed: Destroy each artifact, creature, and enchantment with mana value X or less.

When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.