Arcane Foundry › Commanders › Rin and Seri, Inseparable
Rin and Seri, Inseparable
Legendary Creature — Dog Cat · {1}{R}{G}{W} · Green/Red/White commander
Whenever you cast a Dog spell, create a 1/1 green Cat creature token.
Whenever you cast a Cat spell, create a 1/1 white Dog creature token.
{R}{G}{W}, {T}: Rin and Seri deals damage to any target equal to the number of Dogs you control. You gain life equal to the number of Cats you control.
Build a Rin and Seri, Inseparable deck →
What Rin and Seri, Inseparable actually does
Read off the card by the same engine the Forge and Analyzer use — this is the mechanical classification, not a summary.
- Triggered ability · cast_spellWhenever you cast a Dog spell, create a 1/1 green Cat creature token.
- Triggered ability · cast_spellWhenever you cast a Cat spell, create a 1/1 white Dog creature token.
- Activated ability{R}{G}{W}, {T}: Rin and Seri deals damage to any target equal to the number of Dogs you control. You gain life equal to the number of Cats you control.
What a Rin and Seri, Inseparable deck needs
Plays as cat typal. What the commander asks of the other 99 — read from the card and checked by hand.
- cat/dog creatures (its text counts them)
- haste and untap effects that reach the commander (a tap ability is unusable the turn it lands)
The Rin and Seri, Inseparable deck plan
The roles the Forge fills for this commander, and how many cards of each.
- 8× Put haste on the commander the turn it resolves — a tap ability is unusable otherwise
- 5× Untap the commander so the tap ability is an engine, not a one-shot
- 26× A body of the exact type the commander's trigger requires — the wrong type is worthless here regardless of quality
- 6× A card that is CAST to trigger the commander — reanimating or blinking it does not count
- 4× A team pump that actually pumps tokens
- 5× Actually remove one problem permanent — preventing its damage is not removing it
- 9× Find the exact card the plan needs
- 1× Answer a whole board at once
- 7× Refill your hand
Best cards for Rin and Seri, Inseparable
Ranked by an engine that reads what each card does — its real cost, its delay and how reliably it works — rather than counting how often other people play it.
Put haste on the commander the turn it resolves — a tap ability is unusable otherwise
- Rising of the Day3 mana
- Thousand-Year Elixir3 mana
- The Fire Crystal4 mana
- Lightning Greaves2 mana
- Swiftfoot Boots2 mana
- Urabrask the Hidden5 mana
- Fervor3 mana
- Hammer of Purphoros3 mana
Untap the commander so the tap ability is an engine, not a one-shot
- Aggravated Assault3 mana
- Aurelia, the Warleader6 mana
- Bear Umbra4 mana
- Sting, the Glinting Dagger2 mana
- Umbral Mantle3 mana
- Genji Glove5 mana
- Copperhorn Scout1 mana
- Éomer, Marshal of Rohan4 mana
A body of the exact type the commander's trigger requires — the wrong type is worthless here regardless of quality
- Ocelot Pride1 mana
- Spirited Companion2 mana
- Ainok Strike Leader2 mana
- Ajani's Pridemate2 mana
- Helpful Hunter2 mana
- Lion Sash2 mana
- Loyal Warhound2 mana
- Phelia, Exuberant Shepherd2 mana
A card that is CAST to trigger the commander — reanimating or blinking it does not count
- Ocelot Pride1 mana
- Spirited Companion2 mana
- District Mascot1 mana
- Goldhound1 mana
- Isamaru, Hound of Konda1 mana
- Selfless Savior1 mana
- Yoshimaru, Ever Faithful1 mana
- Ainok Strike Leader2 mana
A team pump that actually pumps tokens
- Intangible Virtue2 mana
- Caretaker's Talent3 mana
- Inspiring Leader3 mana
- Prava of the Steel Legion3 mana
- Gideon's Memorial2 mana
- Mite Overseer4 mana
- Phantom General4 mana
- Patchwork Banner3 mana
Actually remove one problem permanent — preventing its damage is not removing it
- Path to Exile1 mana
- Swords to Plowshares1 mana
- Wild Magic Surge2 mana
- March of Otherworldly Light1 mana
- Beast Within3 mana
- Generous Gift3 mana
- Nature's Claim1 mana
- Erode1 mana
Find the exact card the plan needs
- Green Sun's Zenith1 mana
- Nature's Rhythm2 mana
- Celestial Reunion1 mana
- Worldly Tutor1 mana
- March of Burgeoning Life1 mana
- Archdruid's Charm3 mana
- Chord of Calling3 mana
- Eldritch Evolution3 mana
Answer a whole board at once
- Vanquish the Horde8 mana
- Wrath of God4 mana
- Blasphemous Act9 mana
- Chain Reaction4 mana
- Day of Judgment4 mana
- Street Spasm1 mana
- Shatter the Sky4 mana
- Split Up3 mana
Refill your hand
- Esper Sentinel1 mana
- Ragavan, Nimble Pilferer1 mana
- Skullclamp1 mana
- Sylvan Library2 mana
- Garruk's Uprising3 mana
- Herald's Horn3 mana
- Professional Face-Breaker3 mana
- Archivist of Oghma2 mana
Combos with Rin and Seri, Inseparable
Known combos from Commander Spellbook that Rin and Seri, Inseparable is a piece of, and how many decks list them.
- Rin and Seri, Inseparable + Earthcraft + Whitemane Lion508 decks
- Rin and Seri, Inseparable + Earthcraft + Temur Sabertooth + Universal Automaton109 decks
- Rin and Seri, Inseparable + Akroma's Memorial + Cryptolith Rite + Whitemane Lion41 decks
- Rin and Seri, Inseparable + Rising Of The Day + Elven Chorus + Whitemane Lion36 decks
- Rin and Seri, Inseparable + Concordant Crossroads + Cryptolith Rite + Whitemane Lion28 decks
- Rin and Seri, Inseparable + Rising Of The Day + Cryptolith Rite + Whitemane Lion28 decks