Combos with Rukarumel, Biologist

Activate The World Tree's second ability by paying {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}, tapping and sacrificing it, causing you to search for all creatures in your library, as they are all Gods due to Rukarumel and put them onto the battlefield.

Activate Realmbreaker's second ability by paying {10}, tapping and sacrificing it, causing you to search for all creatures in your library, as they are all Praetors due to Rukarumel, and put them onto the battlefield.

1. Activate all mana-producing creatures by tapping them, adding at least {3}.
2. Activate Rukarumel by paying {3} and tapping it, creating a 1/1 Sliver creature token.
3. When the Sliver enters the battlefield, Intruder Alarm triggers, untapping all creatures.
4. Repeat.
5. If creatures you control can tap to produce at least {4}, this combo nets infinite mana.

1. Activate Aphetto Alchemist by tapping it, targeting itself.
2. Magda triggers, creating a Treasure token.
3. Resolve the Aphetto Alchemist ability, untapping it.
4. Repeat.

1. Cast Memnite by paying {0}, and choosing to pay its replicate cost an arbitrarily large number of times by paying {0}.
2. Memnite triggers, creating a copy of it for each time its replicate cost was paid.
3. Resolve all Memnite spells, causing the nontoken Memnite to enter the battlefield, and creating a token copy of it for each time its replicate cost was paid.

1. Activate a creature by tapping it, adding at least {G}.
2. Activate Wirewood Symbiote by returning it from the battlefield to your hand, untapping the mana-producing creature.
3. Cast Wirewood Symbiote by paying {G}.
4. Repeat.

1. Cast Ornithopter by paying {0}, and choosing to pay its replicate cost an arbitrarily large number of times by paying {0}.
2. Ornithopter triggers, creating a copy of it for each time its replicate cost was paid.
3. Resolve all Ornithopter spells, causing the nontoken Ornithopter to enter the battlefield, and creating a token copy of it for each time its replicate cost was paid.

1. Cause an artifact to enter the battlefield under your control.
2. Reckless Fireweaver triggers, dealing 1 damage to each opponent.
3. Malcolm triggers, as Reckless Fireweaver is a Pirate due to Rukarumel, creating a Treasure token for each opponent dealt damage this way.
4. When the Treasure(s) enter, Reckless Fireweaver triggers that many times.
5. Resolve the first Reckless Fireweaver trigger, dealing 1 damage to each opponent.
6. Repeat from step 3.

1. Activate Seeker of Skybreak by tapping it, targeting itself.
2. Magda triggers, creating a Treasure token.
3. Resolve the Seeker of Skybreak ability, untapping it.
4. Repeat.

1. Cause an artifact to enter the battlefield under your control.
2. Ingenious Artillerist triggers, dealing 1 damage to each opponent.
3. Malcolm triggers, as Ingenious Artillerist is a Pirate due to Rukarumel, creating a Treasure token for each opponent dealt damage this way.
4. When the Treasure(s) enter, Ingenious Artillerist triggers that many times.
5. Resolve the first Ingenious Artillerist trigger, dealing 1 damage to each opponent.
6. Repeat from step 3.

1. Cast Phyrexian Walker by paying {0}, and choosing to pay its replicate cost an arbitrarily large number of times by paying {0}.
2. Phyrexian Walker triggers, creating a copy of it for each time its replicate cost was paid.
3. Resolve all Phyrexian Walker spells, causing the nontoken Phyrexian Walker to enter the battlefield, and creating a token copy of it for each time its replicate cost was paid.

1. Cast Shield Sphere by paying {0}, and choosing to pay its replicate cost an arbitrarily large number of times by paying {0}.
2. Shield Sphere triggers, creating a copy of it for each time its replicate cost was paid.
3. Resolve all Shield Sphere spells, causing the nontoken Shield Sphere to enter the battlefield, and creating a token copy of it for each time its replicate cost was paid.

1. Cast Kobolds of Kher Keep by paying {0}, and choosing to pay its replicate cost an arbitrarily large number of times by paying {0}.
2. Kobolds of Kher Keep triggers, creating a copy of it for each time its replicate cost was paid.
3. Resolve all Kobolds of Kher Keep spells, causing the nontoken Kobolds of Kher Keep to enter the battlefield, and creating a token copy of it for each time its replicate cost was paid.

1. Cast Crimson Kobolds by paying {0}, and choosing to pay its replicate cost an arbitrarily large number of times by paying {0}.
2. Crimson Kobolds triggers, creating a copy of it for each time its replicate cost was paid.
3. Resolve all Crimson Kobolds spells, causing the nontoken Crimson Kobolds to enter the battlefield, and creating a token copy of it for each time its replicate cost was paid.

1. Cast Crookshank Kobolds by paying {0}, and choosing to pay its replicate cost an arbitrarily large number of times by paying {0}.
2. Crookshank Kobolds triggers, creating a copy of it for each time its replicate cost was paid.
3. Resolve all Crookshank Kobolds spells, causing the nontoken Crookshank Kobolds to enter the battlefield, and creating a token copy of it for each time its replicate cost was paid.