---
name: "Hydroid Krasis"
mana_cost: "{X}{G}{U}"
cmc: 2
type_line: "Creature — Jellyfish Hydra Beast"
colors: ["G", "U"]
color_identity: ["G", "U"]
keywords: ["Flying", "Trample"]
set: "RNA"
set_name: "Ravnica Allegiance"
collector_number: "183"
rarity: "mythic"
artist: "Jason Felix"
oracle_id: "6bd872b2-5c40-4e11-9a7f-0136a51b0642"
canonical_url: "https://avascry.com/printing/hydroid-krasis-rna"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Hydroid Krasis
- **Mana Cost:** `{X}{G}{U}` (CMC: 2)
- **Type:** Creature — Jellyfish Hydra Beast
- **Power/Toughness:** 0/0
- **Keywords:** Flying, Trample

## Oracle Text
When you cast this spell, you gain half X life and draw half X cards. Round down each time.
Flying, trample
This creature enters with X +1/+1 counters on it.

> *破壞不過是獲取數據的小小代價。*

## Top 4096-Dim Neural Synergies
1. [Lifeblood Hydra](/printing/lifeblood-hydra-cmm.md) — Creature — Hydra
2. [Genesis Hydra](/printing/genesis-hydra-nec.md) — Creature — Plant Hydra
3. [Managorger Hydra](/printing/managorger-hydra-sld.md) — Creature — Hydra
4. [Voracious Hydra](/printing/voracious-hydra-pm20.md) — Creature — Hydra
5. [Feral Hydra](/printing/feral-hydra-bbd.md) — Creature — Hydra Beast
6. [Kalonian Hydra](/printing/kalonian-hydra-c16.md) — Creature — Hydra

## Printing Details
- **Set:** Ravnica Allegiance (RNA) #183
- **Rarity:** Mythic
- **Artist:** Jason Felix
- **Total Printings:** 34 across all historical editions

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