The Seedcore (Promo Pack) [Phyrexia: All Will Be One Promos]

The Seedcore (Promo Pack) [Phyrexia: All Will Be One Promos]Set: Phyrexia: All Will Be One Promos Type: Land Sphere Rarity: Rare {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast Phyrexian creature spells. Corrupted {T}: Target 1 1 creature gets +2 +1 until end of turn. Activate only if an opponent has three or more poison counters.

and you show them two black cards in your hand

Set: The Brothers' War Type: Artifact Creature — Wizard Rarity: Mythic Cost: {7} Prototype {1}{U}{U} — 2/1 (You may cast this spell with different mana cost

Set: Commander 2017 Type: Creature — Cat Soldier Rarity: Uncommon Cost: {3}{W} When Taj-Nar Swordsmith enters the battlefield

Set: Core Set 2019 Prerelease Promos Type: Creature — Cat Soldier Rarity: Rare Cost: {2}{W}{W} Whenever Leonin Warleader attacks

Set: Commander Legends: Battle for Baldur's Gate Type: Sorcery Rarity: Uncommon Cost: {4}{G} Search your library for up to two basic land cards and/or Gate cards

Set: Champs and States Type: Creature — Elf Warrior Rarity: Rare Cost: {1}{G} Each other Warrior creature you control enters the battlefield with an additional +1/+1 counter on it

tap all other creatures

Set: Dark Ascension Promos Type: Sorcery Rarity: Rare Cost: {3}{B}{B}{B} Return all Zombie creature cards from your graveyard to the battlefield tapped

When Resplendent Marshal enters the battlefield or dies

You may cast the copy without paying its mana cost

" —"The Good Geist's Vow"

put a +1/+1 counter on each of those Vampires