Yu-Gi-Oh! Duel Links: Icejade Lock Combo and Deck Guide

To prevent your opponent from activating monster effects on the field in Yu-Gi-Oh! Duel Links, place Icejade Kosmochlor, Icejade Curse, and the Field Spell Icejade Cenote Enion Cradle on your field simultaneously. When assembled on turn one, this three-card combination shuts down monster-reliant strategies before your opponent can develop their board.

How the Monster Effect Lock Works

The complete lockout relies on the overlapping continuous effects of two Icejade cards while your Field Spell is active:

1. Icejade Kosmochlor dictates that while Icejade Cenote Enion Cradle is on the field, your opponent can only activate the effects of monsters during the turn those monsters are summoned.
2. Icejade Curse prevents your opponent from activating the effects of monsters summoned that turn, provided you control an Icejade monster and Enion Cradle.

Because Kosmochlor restricts activations exclusively to the turn of summon, and Curse outlaws activations on that exact turn, opposing monsters on the field cannot activate effects at any time.

Beyond effect suppression, this board protects itself in battle. Kosmochlor possesses a base 3000 DEF stat line and automatically lowers opposing monsters by 1000 ATK during damage calculation when they battle an Icejade monster. Additionally, Enion Cradle can target a friendly WATER monster to reduce its ATK alongside all opposing face-up monsters by the targeted monster's original ATK value.

Opening Combos With Icejade Aegirine

Normal Summoning Icejade Aegirine is your primary opening play because it searches any archetype Spell or Trap from your deck.

One-Card Starter Line (Aegirine Alone)

If you open Aegirine without secondary combo extenders, prioritize single-target disruption:

1. Normal Summon Icejade Aegirine.
2. Activate Aegirine's effect to add the Continuous Trap Icejade Erosion to your hand.
3. Set Icejade Erosion and end your turn.
4. On the opponent's turn, activate Erosion to target an opposing face-up card, destroy Aegirine, and negate the target's effects for the turn.

Full Lock Line (Aegirine Plus Extenders)

If you open Aegirine alongside extenders such as Icejade Tremora or Icejade Cradle, establish the full floodgate:

1. Normal Summon Icejade Aegirine to search Icejade Curse or Enion Cradle (whichever piece you lack).
2. Activate Icejade Cradle to add Icejade Kosmochlor to your hand by naming a card not already on your field or in your graveyard.
3. Activate Icejade Cenote Enion Cradle.
4. Discard Icejade Tremora from your hand to Special Summon Icejade Kosmochlor directly from your hand in Defense Position.
5. Activate the Continuous Spell Icejade Curse to complete the lockdown.

Recommended Deck Ratios

In a standard 20-card Speed Duel deck, configure your archetype core to maximize access to Aegirine while minimizing unplayable opening hands.

When going second, the pure lock cannot stop an opponent's pre-established board. Fill remaining deck slots with non-engine board breakers such as Forbidden Droplet, Book of Eclipse, or Dark Ruler No More to disable enemy negates before committing your Normal Summon.

Matchup Execution and Weaknesses

Against archetypes that rely on normal-summoned searchers, such as Dark Magician opening with Magician's Rod, the turn-one lock prevents the opposing monster from activating its on-field search effect upon arrival. Furthermore, Dark Magician's 2500 ATK cannot overcome Kosmochlor's 3000 DEF, particularly when weakened by Kosmochlor's 1000 ATK debuff.

Tactical Vulnerabilities

• Backrow Removal: Quick-Play removal like Cosmic Cyclone or Mystical Space Typhoon targeting Enion Cradle or Icejade Curse breaks the overlapping restriction, instantly restoring the opponent's monster activations.
• Non-Field Activations: The combination only suppresses monster effects activated on the field. Opponents can still freely resolve hand traps, graveyard triggers, and Spell or Trap cards.

Graveyard Recovery

When an opponent removes your board, use your graveyard triggers to recover:

• Icejade Tremora: If an opponent destroys a face-up WATER monster you control, banish Tremora from your graveyard to Special Summon an Icejade monster from your hand or graveyard.
• Icejade Erosion: If a face-up WATER monster you control leaves the field by an opponent's card effect, banish Erosion from your graveyard to search any Icejade card from your deck to set up your next turn.