Color Identity: U

Initial Card State
- Lullmage Mentor and Intruder Alarm on the battlefield.
Notable Prerequisites
- You control at least seven Merfolk.
Steps
- Whenever an opponent casts a spell, activate Lullmage Mentor by tapping seven Merfolk you control, countering that spell.
- Lullmage Mentor triggers, creating a 1/1 Merfolk creature token.
- The Merfolk token enters the battlefield, triggering Intruder Alarm, untapping all creatures.
- Repeat.
Results
- Counter all spells opponents cast.
Bracket Tag
This combo has been estimated to be Spicy (Bracket 3-4+).