Mistmeadow Witch [Commander Anthology] Aura Merciless Angel gets +3/+3 for

Merciless Angel gets +3/+3 for each opponent whose life total is less than half their starting life total

Skyshroud ranger

As long as Beastmaster Ascension has seven or more quest counters on it

if Blood Operative is in your graveyard

Return that card to the battlefield under its owner's control at the beginning of the next end step

Mistmeadow Witch [Commander Anthology] Aura Merciless Angel gets +3/+3 forSet: Commander Anthology Type: Creature Kithkin Wizard Rarity: Uncommon Cost: {1}{W U} {2}{W}{U}: Exile target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step. Olka collected the evening mist for years, studying its secrets. Once she learned its essence, she could vanish with a thought.