SomnophoreHow it works & interactions with other cards

What it Does

Somnophore has a triggered ability that activates whenever it deals damage to a player. Unlike many similar effects that only last for one turn, Somnophore locks a creature down indefinitely. The target creature will not untap during its controller's untap step as long as Somnophore is on the battlefield. If Somnophore leaves the battlefield, the effect ends immediately, and the creature can untap during its next available untap step.

Step-by-Step Resolution

First, Somnophore must deal damage to a player, which usually happens during the combat damage step. Once damage is dealt, the ability triggers and you choose a target creature controlled by that player. When the ability resolves, the target creature is tapped. From that moment on, a continuous effect is created that prevents that specific creature from untapping as long as Somnophore remains in play. This process can be repeated every turn to lock down additional creatures.

Common Mistakes

A common misconception is that the effect only applies to the most recently targeted creature. In reality, Somnophore can hold multiple creatures tapped simultaneously if it deals damage over several turns. Another mistake is forgetting that if Somnophore is temporarily exiled (flickered) and returns, it is considered a new object; all previously locked-down creatures will be free to untap because the 'original' Somnophore is no longer on the battlefield.

When to Play It

Somnophore is most effective in decks that can protect it from removal, as its effect relies entirely on its presence on the board. It is particularly strong against decks that rely on a few large creatures for defense or offense. By tapping down a key blocker, Somnophore ensures it can continue to deal damage in subsequent turns, eventually neutralizing the opponent's entire board.

Interaction examples

Basic Tapping Interaction

Solemn Simulacrum

If Somnophore deals combat damage to a player who controls a Solemn Simulacrum, you can target the Simulacrum. The Simulacrum will become tapped and will not untap during its controller's untap step as long as Somnophore is on the battlefield. Even if the player has ways to untap it with other spells, it will still fail to untap naturally during their untap step.

Doubling the Drowsiness

Roaming Throne

If you control Roaming Throne and chose 'Illusion' as its type, Somnophore's ability will trigger twice whenever it deals damage to a player. This allows you to target and lock down two different creatures (or the same creature twice, though this has no extra benefit) for every successful attack. Both creatures will remain tapped as long as Somnophore stays on the battlefield.