Overview:

This Rin and Seri deck focuses on token generation through Cat/Dog tribal synergies, leveraging lifegain and +1/+1 counters to overwhelm opponents. It features a Kiki-Jiki/Felidar Guardian infinite combo, token swarm payoffs like Jetmir, Nexus of Revels, and commander-centric damage/lifegain. While moderately resilient with protection spells, it lacks consistent tutoring and folds to repeated board wipes.

Primer:

Core Strategy:
The deck aims to flood the board with Cat/Dog tokens via Rin and Seri's triggers and supporting cards like Anointed Procession. Primary wincons are:

1. Token Overload: Buff tokens with Jetmir, Nexus of Revels or Feline Sovereign for lethal combat.
2. Commander Burn: Use Rin and Seri’s activated ability with a wide Dog board.
3. Infinite Combo: Kiki-Jiki, Mirror Breaker + Felidar Guardian for infinite tokens.
4. Synergy Loops: Cloudstone Curio/Aluren chains with low-cost Cats/Dogs for value.

Key Lines:

• T3-4: Ramp into Rin and Seri or token doublers.
• T5-6: Deploy Jetmir or combo pieces.
• Post-T6: Activate Rin and Seri’s burn or swing with 9+ creatures for Jetmir’s triple buff.

Mulligan Priorities:

• Keep hands with 3 lands, ramp (e.g., Sol Ring, Avacyn's Pilgrim), and at least one token generator.
• Prioritize color-fixing lands due to Naya requirements.

Protection/Interaction:
Use Selfless Savior, Mother of Runes, and Ajani's Presence to shield key pieces. Remove threats with Swords to Plowshares and Beast Within.

Weaknesses:

Critical:

• Relies on commander for token engine; 3+ removals cripple the deck.
• No graveyard recursion for combo pieces.

Moderate:

• Token swarm vulnerable to board wipes (only 3 mass removal spells).
• Limited tutors for combo (only Survival Cache and draw engines).

Minor:

• Painlands cause incremental life loss but mitigated by lifegain.

Most Important Cards:

• Kiki-Jiki, Mirror Breaker
• Felidar Guardian
• Jetmir, Nexus of Revels
• Anointed Procession
• Parallel Lives
• Doubling Season
• Cloudstone Curio
• Maskwood Nexus
• Aluren
• Feline Sovereign

Attribute Ratings:

Speed: 6/10

• Kiki combo wins T5-6 with ideal ramp. Token swarm requires T7-8.

Resilience: 5/10

• Limited protection for combo; token strategies recover slowly from wipes.

Consistency: 5/10

• Few tutors; relies on draw engines like Sylvan Library.

Interaction: 6/10

• Efficient spot removal (S-Tier: Swords, A-Tier: Abrade) but minimal counterspells.

Rating Justification:

The deck sits between Optimized Casual (5.0) and High-Power Casual (5.5). It outpaces precons with combo potential and strong synergy but lacks the speed (T7-8 wins) and redundancy of true optimized decks. It struggles against heavy interaction but dominates in battlecruiser metas.

Power level: 5.0 - 5.5