There are some dependency issues with how they are played. If Blood Moon is cast first, then Glaciers, each non-basic land will become a mountain, then each mountain will become a plains. If you cast Glaciers, then Blood Moon, each mountain will become a plains, but then each non-basic land will become a mountain.
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"If you don't wear your seatbelt, the police will shoot you in the head."
- To my youngest sister when she was 6.
Everyone knows that good luck and good game are such insincere terms that any man who does not connect his right hook with the offender's jaw on the very utterance of such a phrase is no man I would consider as such.
You will actually apply Blood Moon's effect first regardless of timestamp order because of the dependency. Two effects have a dependency if they apply in the same layer and if applying one of them would change what objects the other effect can apply to. Since Blood Moon makes nonbasic lands into mountains, applying it first will increase the number of lands Conversion is able to affect.
So with both out, all nonbasic lands and all basic Mountains will be Plains.
This is the messy part of layers called dependency. Basically dependency occurs when two effects occur in the same layer when one effect (effect A) changes one of three things about another effect (effect B)
Effect A changes:
1. The number of objects Effect B changes
2. What Effect B overall does
3. The existence of Effect B
So both Blood Moon and Conversion are tyoe changing effects which apply in Layer 4.
So the scenario laid out is a more of the first scenario where Effect A (Blood Moon) changes the number of objects Effect B (Conversion) applies to. So Conversion is dependent on Blood Moon, which means Blood Moon will always be applied before Conversion; regardless of the order they entered the battlefield. So all non-basic lands and mountains will be plains.
Everyone knows that good luck and good game are such insincere terms that any man who does not connect his right hook with the offender's jaw on the very utterance of such a phrase is no man I would consider as such.
Am I right in thinking that with both Glaciers and Blood Moon out, all non-basic lands become plains?
- To my youngest sister when she was 6.
So with both out, all nonbasic lands and all basic Mountains will be Plains.
Effect A changes:
1. The number of objects Effect B changes
2. What Effect B overall does
3. The existence of Effect B
So both Blood Moon and Conversion are tyoe changing effects which apply in Layer 4.
So the scenario laid out is a more of the first scenario where Effect A (Blood Moon) changes the number of objects Effect B (Conversion) applies to. So Conversion is dependent on Blood Moon, which means Blood Moon will always be applied before Conversion; regardless of the order they entered the battlefield. So all non-basic lands and mountains will be plains.
- To my youngest sister when she was 6.