EDH Optimizer
Grandmother Goby
Legendary Creature — Merfolk Wizard · 2UU
Color identity: Blue
Grandmother Goby is blue: its deck can only run cards of that color plus colorless ones.
Rules text:
Whenever you cast a noncreature spell, counter that spell. Create a number of 1/1 blue Merfolk creature tokens equal to the amount of mana spent to cast that spell.
Average lands in decks for Grandmother Goby: 35
MerfolkTokensSpellslingerCounterspellsComboControlAnthemsWizards
Build your Grandmother Goby deck step by step, with in-depth analysis and AI optimization of your list.
🛠️ Build a deck for Grandmother Goby 📥 Analyze my deck🃏 Recommended cards for Grandmother Goby
The highest-synergy cards in decks for Grandmother Goby, with their inclusion rate.
| Card | Inclusion | Synergy |
|---|---|---|
| Master of the Pearl Trident | 86% | +83% |
| Vodalian Hexcatcher | 84% | +82% |
| Lier, Disciple of the Drowned | 85% | +81% |
| Lullmage Mentor | 83% | +80% |
| Chimil, the Inner Sun | 80% | +76% |
| Mistrise Village | 83% | +74% |
| Lord of Atlantis | 74% | +72% |
| Eject | 72% | +72% |
| Namor the Sub-Mariner | 72% | +71% |
| Seafloor Oracle | 71% | +69% |
| Boseiju, Who Shelters All | 69% | +68% |
| Svyelun of Sea and Sky | 69% | +67% |
| Glen Elendra's Answer | 68% | +67% |
| Harmonized Crescendo | 71% | +66% |
| Attuma, Atlantean Warlord | 68% | +66% |
| Last Word | 62% | +62% |
| Overwhelming Denial | 62% | +62% |
| Merfolk Sovereign | 64% | +61% |
| Rimefire Torque | 61% | +59% |
| Sphinx of the Final Word | 59% | +58% |
| Merrow Reejerey | 60% | +57% |
| Commence the Endgame | 57% | +57% |
| Malevolent Hermit | 59% | +56% |
| Three Tree City | 60% | +56% |
💰 The best cards for your Grandmother Goby deck, by budget
Three tiers based on the maximum price PER CARD you are willing to pay. Paste your list and hit Optimize: you pick that cap and the AI only suggests swaps that fit under it.
Tier 1 · Budget up to €2/card
The most value for almost nothing. Coming from a precon? Start here.
- Master of the Pearl Trident
- Lier, Disciple of the Drowned
- Eject
- Seafloor Oracle
- Svyelun of Sea and Sky
- Glen Elendra's Answer
Tier 2 · Balanced up to €10/card
The real step up: pieces that are no longer cheap but still sensible.
- Vodalian Hexcatcher
- Lullmage Mentor
- Chimil, the Inner Sun
- Mistrise Village
- Lord of Atlantis
- Namor the Sub-Mariner
Tier 3 · No cap no cap
The cards your price cap was hiding from you.
- Three Tree City
- Roaming Throne
- Ashnod's Altar
- Nykthos, Shrine to Nyx
- Cavern of Souls
- Phyrexian Altar
Reference prices (cheapest English printing). They change daily.
♾️ Known combos with Grandmother Goby
- Hullbreaker Horror + Sol Ring → Infinite colorless mana, Infinite storm count
- Dramatic Reversal + Isochron Scepter → Infinite magecraft triggers, Infinite mana nonland permanents you control can produce, Infinite storm count, Infinite untap of nonland permanents you control
- Hullbreaker Horror + Mana Vault → Infinite colorless mana, Infinite storm count
- Hullbreaker Horror + Mox Amber → Infinite creature ETB, Infinite creature LTB, Infinite colored mana, Infinite storm count
- Rings of Brighthearth + Basalt Monolith → Infinite colorless mana
- Peregrine Drake + Deadeye Navigator → Infinite blinking, Infinite creature ETB, Infinite creature LTB, Infinite mana lands you control can produce
Other commanders
Frequently asked questions
What is Grandmother Goby's color identity?
Grandmother Goby is blue: its deck can only run cards of that color plus colorless ones. Color identity comes from every mana symbol on the card, including those in the rules text, not just the casting cost.
How many lands should a Grandmother Goby deck run?
Real Grandmother Goby decks run 35 lands on average. That is a starting point, not a rule: a lower curve can shave one or two, big-mana builds want more. The EDH Optimizer simulator tells you, over 10,000 games, how often you get mana screwed or flooded with your exact count.
What are the best cards for Grandmother Goby?
The three highest-synergy cards are Master of the Pearl Trident, Vodalian Hexcatcher, Lier, Disciple of the Drowned. This page lists the top 24 with their real inclusion rate in Grandmother Goby decks.
What combos does Grandmother Goby have?
Grandmother Goby has 6 known combos. The most popular one is Hullbreaker Horror + Sol Ring. Note that two-card combos raise your deck's bracket, so it is worth knowing which ones you are running before you sit down.
How much does a Grandmother Goby deck cost?
You can start cheap: Master of the Pearl Trident, Lier, Disciple of the Drowned, Eject are under €2 each. The "Level up" section on this page splits the best cards into three price caps PER CARD (up to €2, up to €10 and no cap), and the optimizer only suggests swaps that fit the cap you pick.