Lullmage Mentor + Parallel Lives + Primal Vigor + Elspeth, Storm Slayer

Lullmage Mentor

Parallel Lives

Primal Vigor

Elspeth, Storm Slayer

How it works

1. Whenever an opponent casts a spell, activate Lullmage Mentor by tapping seven untapped Merfolk, countering that spell.
2. Lullmage Mentor triggers, creating a total of eight 1/1 Merfolk creature tokens.
3. Repeat.

This mesmerizing loop turns Lullmage Mentor into an absolute counterspell fortress, fueled by a compounding multiplication engine. Whenever Lullmage Mentor taps its seven Merfolk to counter an opponent's spell, its own triggered ability fires back, creating a fresh token to replace the cost. But the real alchemy happens because Parallel Lives, Primal Vigor, and Elspeth, Storm Slayer all feature replacement effects that stack together to multiply every single token created by eight times, instantly replacing your tapped board with an overwhelming army of Merfolk. With a single counterspell acting as the catalyst, you lock down the stack entirely while generating an endless sea of creatures.