---
name: "A Good Thing"
mana_cost: "{4}{W}{B}"
cmc: 6
type_line: "Enchantment"
colors: ["B", "W"]
color_identity: ["B", "W"]
keywords: ["Double"]
set: "CMB2"
set_name: "Mystery Booster Playtest Cards 2021"
collector_number: "86"
rarity: "rare"
artist: "Yoni Skolnik"
oracle_id: "9cfdc604-71de-44e4-8ba7-2a3ee03aab68"
canonical_url: "https://avascry.com/printing/a-good-thing-cmb2"
legalities:
  commander: "not_legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "not_legal"
  vintage: "not_legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# A Good Thing
- **Mana Cost:** `{4}{W}{B}` (CMC: 6)
- **Type:** Enchantment
- **Keywords:** Double

## Oracle Text
Spells and abilities you control can't destroy, exile, target, or cause you to sacrifice A Good Thing.
At the beginning of your upkeep, double your life total. Then, if you have 1,000 or more life, you lose the game.

## Top 4096-Dim Neural Synergies
1. [Transcendence](/printing/transcendence-tor.md) — Enchantment
2. [Forsaken Wastes](/printing/forsaken-wastes-wc97.md) — World Enchantment
3. [Delusions of Mediocrity](/printing/delusions-of-mediocrity-7ed.md) — Enchantment
4. [Sanguine Sacrament](/printing/sanguine-sacrament-plst.md) — Instant
5. [Boon Reflection](/printing/boon-reflection-2xm.md) — Enchantment
6. [Serene Offering](/printing/serene-offering-tmp.md) — Instant

## Printing Details
- **Set:** Mystery Booster Playtest Cards 2021 (CMB2) #86
- **Rarity:** Rare
- **Artist:** Yoni Skolnik
- **Total Printings:** 2 across all historical editions

## Format Legalities
Commander: `not_legal` | Standard: `not_legal` | Modern: `not_legal` | Pioneer: `not_legal` | Legacy: `not_legal` | Vintage: `not_legal` | Pauper: `not_legal` | Penny: `not_legal`