
Gateway Shade | Creature | Shade | {B}: Gateway Shade gets +1/+1 until end of turn.
Tap an untapped Gate you control: Gateway Shade gets +2/+2 until end of turn. | Ryan Yee

Undercity Informer | Creature | Human Rogue | {1}, Sacrifice a creature: Target player reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard. | Raymond Swanland

Gift of Orzhova | Enchantment | Aura | Enchant creature
Enchanted creature gets +1/+1 and has flying and lifelink. | Johannes Voss

Bane Alley Broker | Creature | Human Rogue | {T}: Draw a card, then exile a card from your hand face down.
You may look at cards exiled with Bane Alley Broker.
{U}{B}, {T}: Return a card exiled with Bane Alley Broker to its owner's hand. | Clint Cearley

Dimir Keyrune | Artifact | | {T}: Add {U} or {B}.
{U}{B}: Dimir Keyrune becomes a 2/2 blue and black Horror artifact creature until end of turn and can't be blocked this turn. | Daniel Ljunggren

Orzhov Keyrune | Artifact | | {T}: Add {W} or {B}.
{W}{B}: Orzhov Keyrune becomes a 1/4 white and black Thrull artifact creature with lifelink until end of turn. | Daniel Ljunggren