Nahiri's Machinations | Enchantment | | At the beginning of combat on your turn, target creature you control gains indestructible until end of turn.
{1}{R}: Nahiri's Machinations deals 1 damage to target blocking creature. | Lake Hurwitz
Ongoing Investigation | Enchantment | | Whenever one or more creatures you control deal combat damage to a player, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")
{1}{G}, Exile a creature card from your graveyard: Investigate. You gain 2 life. | Bud Cook
Call the Bloodline | Enchantment | | {1}, Discard a card: Create a 1/1 black Vampire Knight creature token with lifelink. Activate only once each turn. | Lake Hurwitz