Combos with Mairsil, the Pretender

1. Activate Mairsil using Nevinyrral's Disk's ability by paying {1} and tapping it.
2. Holding priority, activate Mairsil using Aetherling's first ability by paying {U}, exiling it and returning it to the battlefield at beginning of the next end step.
3. Resolve the Nevinyrral's Disk's ability, destroying all artifacts, creatures, and enchantments.
4. Repeat.

1. Activate Mairsil using Tree of Perdition's ability by tapping it, exchanging target opponent's life total with Mairsil's toughness.
2. Activate Mairsil using Hateflayer's ability by paying {2}{R} and untapping it, dealing damage equal to Mairsil's power to the opponent.
3. The opponent loses the game due to having zero or less life.

1. Activate Mairsil using Gilded Lotus' ability by tapping it, adding {U}{U}{U}.
2. Activate Mairsil using Staff of Domination's first ability by paying {1}, untapping it.
3. Activate Mairsil using Quicksilver Elemental's ability by paying {U}, causing it to gain all activated abilities of itself until end of turn.
4. Repeat.
5. If desired, you may use any of Staff of Domination's other abilities using Mairsil, and then use Quicksilver Elemental's ability to use them infinitely.

1. Activate Mairsil using Gilded Lotus' ability by tapping it, adding {U}{U}{U}.
2. Activate Mairsil using Horseshoe Crab's ability by paying {U}, untapping it.
3. Activate Mairsil using Quicksilver Elemental's ability by paying {U}, causing it to gain all activated abilities of itself until end of turn.
4. Repeat.
5. If desired, you may use any of Staff of Domination's other abilities using Mairsil, and then use Quicksilver Elemental's ability to use them infinitely.

1. Activate Mairsil using Gilded Lotus' ability by tapping it, adding {U}{U}{U}.
2. Activate Mairsil using Morphling's first ability by paying {U}, untapping Mairsil.
3. Activate Mairsil using Quicksilver Elemental's ability by paying {U}, causing Mairsil to gain all activated abilities of itself until end of turn.
4. Repeat.

Activate Mairsil using Mirror-Mad Phantasm's ability by paying {1}{U}, causing you to mill your entire library.

1. Activate Mairsil using Tree of Perdition's ability by tapping it, exchanging target opponent's life total with Mairsil's toughness.
2. Activate Mairsil using Spikeshot Elder's ability by paying {1}{R}{R}, dealing damage equal to Mairsil's power to the opponent.
3. The opponent loses the game due to having zero or less life.

1. Activate Mairsil using Anthroplasm's ability by paying {5} and tapping it, removing all +1/+1 counters and putting five +1/+1 counters on Mairsil.
2. Activate Mairsil using Sage of Hours's ability by removing five +1/+1 counters, gaining an extra turn after this one.
3. Move to your next turn.
4. Repeat.

1. Activate Mairsil using Endling's third ability by paying {B}, giving Mairsil undying until end of turn.
2. Activate Mairsil using Blood Vassal's ability by sacrificing it, adding {B}{B}.
3. Mairsil dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
4. Activate Mairsil using Triskelion's ability by removing a +1/+1 counter from it, dealing 1 damage to any target.
5. Repeat.

1. Activate Mairsil using Endling's third ability by paying {B}, gaining Mairsil undying.
2. Activate Mairsil using Blood Vassal's ability by sacrificing it, adding {B}{B}.
3. Mairsil undying triggers, returning it to the battlefield with a +1/+1 counter.
4. Activate Mairsil using Walking Ballista's last ability by removing a +1/+1 counter, dealing 1 damage to any target.
5. Repeat.

1. Activate Mairsil using Endling's third ability by paying {B}, giving Mairsil undying until end of turn.
2. Activate Mairsil using Blood Pet's ability by sacrificing it, adding {B}.
3. Mairsil dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
4. Activate Mairsil using Triskelion's ability by removing a +1/+1 counter from it, dealing 1 damage to any target.
5. Repeat.

1. Activate Mairsil using Endling's third ability by paying {B}, giving Mairsil undying until end of turn.
2. Activate Mairsil using Blood Vassal's ability by sacrificing it, adding {B}{B}.
3. Mairsil dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
4. Activate Mairsil using Cinderhaze Wretch's second ability by putting a -1/-1 counter on it, untapping it.
5. Repeat.

1. Activate Mairsil using Endling's third ability by paying {B}, giving Mairsil undying until end of turn.
2. Activate Mairsil using Blood Vassal's ability by sacrificing it, adding {B}{B}.
3. Mairsil dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
4. Activate Mairsil using Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding one mana of any color.
5. Repeat.

1. Activate Mairsil using Endling's third ability by paying {B}, giving Mairsil undying until end of turn.
2. Activate Mairsil using Blood Vassal's ability by sacrificing it, adding {B}{B}.
3. Mairsil dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
4. Activate Mairsil using Deathbringer Thoctar's ability by removing a +1/+1 counter from it, dealing 1 damage to any target.
5. Repeat.

1. Activate Mairsil using Endling's third ability by paying {B}, giving Mairsil undying until end of turn.
2. Activate Mairsil using Blood Pet's ability by sacrificing it, adding {B}.
3. Mairsil dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
4. Activate Mairsil using Deathbringer Thoctar's ability by removing a +1/+1 counter from it, dealing 1 damage to any target.
5. Repeat.