Combos with Necrotic Ooze

1. Activate Necrotic Ooze using Asmodeus' first ability by paying {B}{B}{B}, causing you to draw seven cards.
2. If Skirge Familiar is in your graveyard, activate Necrotic Ooze using Skirge Familiar's ability by discarding a card, adding {B}.
3. Otherwise, activate Skirge Familiar by discarding a card, adding {B}.
4. Repeat step 2 or 3 two additional times.
5. Repeat from step 1.

1. Activate Necrotic Ooze using Asmodeus's first ability by paying {B/P}{B/P}{B/P}, causing you to draw seven cards.
2. Sheoldred triggers seven times, causing you to gain 14 life.
3. Repeat.

1. Activate Necrotic Ooze using Palladium Myr's ability by tapping it, adding {C}{C}.
2. Activate Necrotic Ooze using Pili-Pala's ability by paying {2} and untapping it, adding one mana of any color.
3. Repeat.

1. Activate Necrotic Ooze's using Phyrexian Devourer's ability by exiling the top card of your library, putting a number of +1/+1 counters on Necrotic Ooze equal to the card's mana value.
2. Repeat step 1 until the number of +1/+1 counters on Necrotic Ooze is at least equal to the sum of your opponents' life totals.
3. Activate Necrotic Ooze using Walking Ballista's last ability by removing a +1/+1 counter from it, dealing 1 damage to any target.
4. Repeat step 3 until all opponents have taken lethal damage.

1. Activate Necrotic Ooze using Phyrexian Devourer's ability by exiling the top card of your library, putting a number of +1/+1 counters on Necrotic Ooze equal to the card's mana value.
2. Repeat step 1 until the number of +1/+1 counters on Necrotic Ooze is at least equal to the sum of your opponents' life totals.
3. Activate Necrotic Ooze using Triskelion's ability by removing a +1/+1 counter from it, dealing 1 damage to any target.
4. Repeat step 3 until all opponents have taken lethal damage.

Activate Necrotic Ooze using Mirror-Mad Phantasm's ability by paying {1}{U}, causing you to shuffle Necrotic Ooze into your library and mill all cards from your library.

1. Tap Necrotic Ooze using Devoted Druid's ability to add {G}.
2. Untap Necrotic Ooze using Devoted Druid's ability, giving it a -1/-1 counter.
3. Tap Necrotic Ooze and remove a -1/-1 counter use Channeler Initiate's ability to add {1} of any color.
4. Repeat for infinite mana.

1. Activate Necrotic Ooze's ability from Kiki-Jiki by tapping it, creating a token copy of itself with haste.
2. Activate the Necrotic Ooze's ability from Kiki-Jiki by tapping it, creating a token copy of itself with haste.
3. Repeat step 2 any number of times.

1. Place a -1/-1 counter on Necrotic Ooze with Devoted Druid's ability and remove it with Morselhoarder's ability to add one mana of any color.
2. Repeat

1. Activate Necrotic Ooze using Devoted Druid's first ability by tapping it, adding {G}.
2. Activate Necrotic Ooze using Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it.
3. Activate Necrotic Ooze using Grim Poppet's ability by removing a -1/-1 counter from it, targeting any other creature.
4. Holding priority, activate Necrotic Ooze using Devoted Druid's first ability by tapping it, adding {G}.
5. Repeat from step 2.

1. Activate Necrotic Ooze using Magus of the Coffers' ability by paying {2} and tapping it, adding at least {B}{B}{B}{B}.
2. Activate Necrotic Ooze using Pili-Pala's ability by paying {2} and untapping it, adding one mana of any color.
3. Repeat.

1. Activate Necrotic Ooze using Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it.
2. Activate Necrotic Ooze using Fain's second ability by tapping it and removing a -1/-1 counter from it, creating a Treasure token.
3. Repeat.
4. Once you have infinite Treasure tokens, you may instead use Fain's third ability to create infinite Inklings, then use Fain's fourth ability to untap Necrotic Ooze.
5. You then can also use Fain's first ability to get infinite +1/+1 counters.

1. Activate Necrotic Ooze using Omen Hawker's ability by tapping it, adding {C}{U} that can only be spent to activate abilities.
2. Activate Necrotic Ooze using Pili-Pala's ability by paying {2} and untapping it, adding one mana of any color.
3. Repeat.

1. Activate Necrotic Ooze using Cinderhaze Wretch's second ability by putting a -1/-1 counter on it, untapping it.
2. Activate Necrotic Ooze using Fain's second ability by tapping it and removing a -1/-1 counter from it, creating a Treasure token.
3. Repeat.
4. Once you have infinite Treasure tokens, you may instead use Fain's third ability to create infinite Inklings, then use Fain's fourth ability to untap Necrotic Ooze.
5. You then can also use Fain's first ability to get infinite +1/+1 counters.

1. Activate Necrotic Ooze using Bloodline Keeper's first ability by tapping it, creating a 2/2 Vampire creature token.
2. Activate Necrotic Ooze using Grimgrin's ability by sacrificing the Vampire, untapping Necrotic Ooze and putting a +1/+1 counter on it.
3. Repeat.