Kaya, Geist Hunter [Innistrad: Crimson Vow Prerelease Promos]Set: Innistrad: Crimson Vow Prerelease Promos Type: Legendary Planeswalker Kaya Rarity: Mythic Cost: {1}{W}{B} +1: Creatures you control gain deathtouch until end of turn. Put a +1 +1 counter on up to one target creature token you control. 2: Until end of turn, if one or more tokens would be created under your control, twice that many of those tokens are created instead. 6: Exile all cards from all graveyards, then create a 1 1 white Spirit creature

Any time you could mulligan and Serum Powder is in your hand

Each player searches their library for a basic land card

Set: Conflux Type: Sorcery Rarity: Rare Cost: {3}{U}{U} Target opponent reveals cards from the top of their library until they reveal a creature card

Set: Legions Type: Creature — Zombie Wizard Rarity: Uncommon Cost: {3}{B}{B} {1}{B}

sacrifice it and create a number of 1/1 colorless Construct artifact creature tokens equal to its power

Gleemax's blatant disregard for flavor text

Set: Fifth Edition Type: Artifact Rarity: Rare Cost: {6} {4}

Set: The Dark Type: Artifact Rarity: Rare Cost: {5} Spells you cast cost up to {1} less to cast

You may play that card for as long as it remains exiled

If it isn't a creature card

Dark Pool — Each opponent loses 1 life and you gain 1 life

Set: Fate Reforged Type: Legendary Creature — Dragon Rarity: Rare Cost: {5}{R}{G} Flying