When Spreading Seas is on the battlefield, it turns a land into an Island in addition to its other types. This means that if there are other enchantments on that land, they will still be active and affect the land as an Island.
The official deck size limit for Magic: The Gathering is 60 cards.
In the Commander format of Magic: The Gathering, Rat Colony is allowed to have any number of copies in a deck, as long as the deck contains only one copy of each card (excluding basic lands). This ruling was made by the official rules committee for the Commander format.
The Magic Rules Advisor would recommend carefully reading the official rules and seeking guidance from experienced players or judges to resolve any complex rules interactions in a game of Magic: The Gathering.
The official ruling on Phyrexian Obliterator in Magic: The Gathering is that when it is dealt damage, that damage must be paid in the form of permanents being sacrificed.
The official ruling on Nivmagus Elemental in Magic: The Gathering is that it can exile instant and sorcery spells you cast to grow stronger, but it cannot exile itself.
You can buy Magic: The Gathering decks at local game stores, online retailers like Amazon or eBay, or directly from the official Magic: The Gathering website.
The official ruling on the use of "Wish" cards in Magic: The Gathering tournaments is that players are allowed to use them, but they must adhere to the tournament rules and guidelines set by the event organizers.
You can find a Magic: The Gathering tournament locator on the official Wizards of the Coast website or by using the Wizards Event Locator tool.
You can find a printable Magic: The Gathering checklist on the official Wizards of the Coast website or on various online resources dedicated to the game.
The official deck size limit for constructed formats in Magic: The Gathering is 60 cards.
The official ruling on the Nexus of Fate card in the current Magic: The Gathering tournament format is that it is banned in Standard and Historic formats, but legal in other formats like Commander.
Ajani's Pridemate is a card in Magic: The Gathering that gains 1/1 counters whenever you gain life. Its official ruling is that it triggers whenever you gain life, even if you gain multiple life points at once. This interaction can be powerful when paired with cards that allow you to gain life consistently.