Necromancer's Covenant [Commander 2015] SPA Vibora mistica you may sacrifice Ajani's Last

you may sacrifice Ajani's Last Stand

Set: Mirrodin Besieged Type: Instant Common Cost: {G} Target creature gets +1/+1 and gains trample until end of turn

Set: Unhinged Type: Creature — Ooze Common Cost: {1}{B} Whenever a player's skin or fingernail touches Vile Bile

Set: Hour of Devastation Type: Enchantment — Aura Curse Rarity: Uncommon Cost: {3}{B} Enchant player

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Necromancer's Covenant [Commander 2015] SPA Vibora mistica you may sacrifice Ajani's LastSet: Commander 2015 Type: Enchantment Rare Cost: {3}{W}{B}{B} When Necromancer's Covenant enters the battlefield, exile all creature cards from target player's graveyard, then create a 2 2 black Zombie creature token for each card exiled this way. Zombies you control have lifelink.