Necrogen Mists (1405) - [Borderless] Secret Lair Drop (SLD)At the beginning of each player's upkeep, that player discards a card. "Eat my dust, fleshbags!"

you may put a Soldier creature card from your hand onto the battlefield tapped and attacking

never imagining the sinister fate they foretold

{T}: Target opponent reveals their hand and discards a creature card at random

[−X]: Chandra Nalaar deals X damage to target creature

As Throne of Eldraine enters the battlefield

Also included are deckbuilding tips and game strategies

Grim Monolith doesn't untap during your untap step

the tainted water—and he had no wish to learn if they were true

lifelink At the beginning of your upkeep

When Stumpsquall Hydra enters the battlefield

discards three cards

1x Hand-Drawn Anguished Unmaking