🟡 Pokémon TCG (Scarlet & Violet Era)
10 playable cards per booster pack · 2 independent hit slots · 36 packs per booster box
Pack Structure
Slot 10 — Guaranteed Rare Holo (can upgrade)
| Rarity | Chance | Approx. Odds | Per Box (36 packs) |
| Rare Holo ★ | 79.0% | ~4 in 5 packs | ~28 |
| Double Rare / ex ★★ | 14.0% | ~1 in 7 packs | ~5 |
| Ultra Rare / Full Art ★★ | 7.0% | ~1 in 15 packs | ~2-3 |
Slot 9 — Reverse Holo (upgradeable to chase cards)
| Rarity | Chance | Approx. Odds | Per Box (36 packs) |
| Normal Reverse Holo | 80.0% | Default | ~29 |
| Illustration Rare ☆ | 7.5% | ~1 in 13 packs | ~2-3 |
| ACE SPEC | 5.0% | ~1 in 20 packs | ~1-2 |
| Special Illustration Rare ☆☆ | 3.0% | ~1 in 33 packs | ~1 |
| Hyper Rare / Gold ☆☆☆ | 2.5% | ~1 in 40 packs | ~0-1 |
Slot 8 — Standard Reverse Holo
| Rarity (as Reverse Holo) | Chance |
| Common (Reverse Holo) | 45% |
| Uncommon (Reverse Holo) | 35% |
| Rare (Reverse Holo) | 15% |
| Holo Rare (Reverse Holo) | 5% |
God Pack: ~1 in 600 packs (0.167%). All 10 cards become Ultra Rare or higher. God packs are auto-saved to your virtual binder by default. Confirmed in sets like SV: 151 (MEW).
Two independent hit slots: Slots 9 and 10 roll independently — you CAN hit both in the same pack. For example, pulling an Illustration Rare in Slot 9 AND a Double Rare ex in Slot 10 is possible and matches real-world pack mechanics.
ACE SPEC cards: Available from Temporal Forces (March 2024) onward. In sets without ACE SPEC, that 5% rolls into the normal reverse holo pool instead.
Sources: CardShopLive hit rate study (1,728 packs), DigitalTQ pull rate analysis (676 packs), PokeBeach Temporal Forces pull rate report, community data aggregated from TCGPlayer
🔵 Magic: The Gathering (Play Booster)
14 playable cards per pack · 30-36 packs per box · Every pack has 1 guaranteed foil
Rare/Mythic Slot (Slot 11) — Guaranteed Rare minimum
| Rarity | Chance | Approx. Odds | Per Box (36 packs) |
| Rare | 85.7% | ~6 in 7 packs | ~30-31 |
| Mythic Rare | 14.3% | ~1 in 7 packs | ~5-6 |
Wildcard Slot — Can be any rarity
| Rarity | Chance |
| Common | 40% |
| Uncommon | 35% |
| Rare | 20% |
| Mythic Rare | 5% |
Multiple rares per pack: With the wildcard slot, ~37% of packs contain 2 rares/mythics and ~4% contain 3+. Average rare/mythic per pack is ~1.4.
Foil guarantee: Every Play Booster contains exactly 1 foil card. The foil can be any rarity from Common to Mythic.
Mythic rate history: Changed from 1-in-8 to 1-in-7 starting with Zendikar Rising (2020). This is the official ratio confirmed by Wizards of the Coast.
Sources: Wizards of the Coast "Nuts & Bolts #16: Play Boosters" (official), Mark Rosewater Murders at Karlov Manor breakdown, TCGPlayer Mythic Rare rate analysis
🔴 Yu-Gi-Oh! (Core Booster, Post-2020)
9 cards per pack · 24 packs per box · Guaranteed Super Rare+ per pack
Pack Structure
| Slot | Contents |
| Slots 1-7 | Common (7 cards, guaranteed) |
| Slot 8 | Rare (1 card, guaranteed) |
| Slot 9 | Super Rare or higher (see below) |
Slot 9 — Super Rare+ (hit slot)
| Rarity | Chance | Approx. Odds | Per Box (24 packs) |
| Super Rare | 75.0% | ~3 in 4 packs | ~18 |
| Ultra Rare | 16.7% | ~1 in 6 packs | ~4 |
| Secret Rare | 8.3% | ~1 in 12 packs | ~2 |
Modern sets: Starting with Eternity Code (2020), Konami eliminated the standalone "Rare" rarity from the hit slot. The minimum guaranteed foil rarity is now Super Rare.
Starlight Rare: Not currently simulated. In real sets, Starlights appear at roughly ~1 in 288 packs (~1 per 2 cases). These are the ultimate chase cards in Yu-Gi-Oh!
Sources: Pojo community pull data, Yugipedia rarity documentation, TCGPlayer rarity guide, community box opening aggregations
ℹ️ About Our Rates
Our pack simulator uses community-verified pull rate data compiled from thousands of real pack openings. The Pokémon Company and Konami do not publish official pull rates, so all Pokémon and Yu-Gi-Oh! data comes from large-sample community studies. Wizards of the Coast (MTG) is the most transparent, having confirmed the 1-in-7 Mythic rate officially.
Disclaimer: These are simulated odds for entertainment purposes only. Real-world pull rates vary by set, print run, and region. TCG Zen's pack simulator is for fun and virtual collection building — no real cards are distributed.
Elite Trainer Box: ETBs contain 9 packs. Each pack uses the same per-pack odds independently, so your overall hit chance across the box is much higher than any single pack.
Rate accuracy: We continuously cross-reference our rates against new community data as it becomes available. If you notice a discrepancy, let us know on the forums or Discord.