Questions tagged [mtg-professional-rel]

For questions about Magic: The Gathering's Professional REL (Rules Enforcement Level), its highest REL. Used at Grand Prix Day 2, Pro Tour, and the World Magic Cup.

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1answer
210 views

Can I bring a visual flow chart for complex magic cards to events?

I was reading the card Chains of Mephistopheles and I found these great flow charts for how it's replacement effect works. Would I be allowed to bring a simple flow chart like that to a sanctioned ...
11
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2answers
4k views

What happens if both players misunderstand the game state until it's too late?

Let's take two players, Alice and Bob. Alice has a Tarmogoyf. She asks Bob what card types are in his graveyard. Bob fans out his graveyard, they do the math, and conclude Alice's Tarmogoyf is 5/6. ...
8
votes
2answers
258 views

Tapping a creature with summoning sickness in an equivalent play situation

This is a follow-up question to How do I handle a gameplay error when I have an equivalent play available in a tournament?. The answer to that question indicates that even though the play is ...
11
votes
1answer
1k views

How do I handle a gameplay error when I have an equivalent play available in a tournament?

For example, suppose I have 3 Mountains. I play another Mountain, cast Koth of the Hammer, use the +1, and attempt to attack for four. However the Mountain I target is the one I freshly played (...
42
votes
2answers
8k views

Am I technically allowed to look up cards during a Magic tournament match?

Am I allowed to look up a card during a game, if it's being played with serious Rules Enforcement? Either to read the full card from the Gatherer, or to try to find the exact card I'm vaguely thinking ...
7
votes
1answer
440 views

Are you required to call a judge if you're not involved in the game?

If you're a spectator to a game at either competitive or professional REL and you see a gamestate error occur, should you call a judge? What happens if you don't call a judge? Is it different if you ...