The Space Family Goblinson is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.
Official card text
The Space Family Goblinson has trample as long as you've rolled three or more dice this turn. Whenever you roll a die, put a +1/+1 counter on The Space Family Goblinson.
Complete guide
Looking to add some chaotic energy to your next Commander game? The Space Family Goblinson is a heavy-hitting legendary creature that thrives on the unpredictability of dice rolling. Every roll makes them stronger, turning your random luck into a massive threat on the battlefield.
Growing the Family
The Space Family Goblinson has a triggered ability that triggers every time you roll a die. Each individual die counts as a separate roll, meaning if an effect tells you to roll two dice, this ability triggers twice. However, per the official rulings, if you are instructed to reroll a die or ignore a specific roll, that ignored result does not count toward your total or trigger the family's ability.
Step-by-Step Resolution
First, an effect on the stack or a keyword action must cause you to roll one or more dice. Second, the Family's triggered ability goes on the stack for each die rolled. Third, as these abilities resolve, you place a +1/+1 counter on The Space Family Goblinson for each one. Finally, once you have reached a total of three dice rolls in a single turn, the Family's static ability immediately grants them trample for the remainder of that turn.
Common Pitfalls
A common mistake is forgetting that the trample ability is temporary. While the +1/+1 counters stay on the creature permanently, the trample keyword only lasts as long as the 'three or more dice this turn' condition is met. Another mistake is counting rerolled dice; if you use an effect to reroll, only the final result is considered a 'roll' for the purposes of this card.
Strategic Timing
To maximize The Space Family Goblinson, you should aim to roll your third die before the declare blockers step of combat. This ensures they have trample when it matters most, preventing your opponent from simply chump-blocking the massive Goblin with a small token.
Interaction examples
If you use an effect to roll a single six-sided die, The Space Family Goblinson's ability triggers once. You place a +1/+1 counter on them. They do not have trample yet because you have only rolled one die this turn.
If you cast a spell that instructs you to roll three dice at once, the Family's ability triggers three times. After the triggers resolve, they will have three new +1/+1 counters and will immediately gain trample for the rest of the turn.
While Solemn Simulacrum helps fix your mana and provides a blocker, it does not involve dice rolling. Playing it will not trigger the Family's ability or help them gain trample, but it can ensure you have the mana to cast more dice-rolling spells.
If your opponent destroys a powerful dice-rolling artifact, you can use Eternal Witness to return it to your hand. This allows you to roll more dice on subsequent turns, continuing to grow The Space Family Goblinson with more +1/+1 counters.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : The Space Family Goblinson
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
Remember that if a die is rerolled, that counts only as a single roll. The original roll doesn’t count. Similarly, any die roll that’s ignored doesn’t count.
No other card is named in this ruling.
- #2· Wizards of the Coast
If you roll more than one die at a time, however, that does count as multiple die rolls.
No other card is named in this ruling.
Legal formats
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Meta decks with The Space Family Goblinson
No archived Top 8 deck with this card yet.



Solemn Simulacrum
Eternal Witness