Landwalk is a term that appears within a cards rules text as "[type]walk," where [type] is usually a land type (Plains, Island, Swamp, Mountain, Forest or Non-basic) but can be the card type land, any land type, or any combination.
Landwalk is an evasion ability. Meaning a creature with landwalk is unblockable as long as the defending player controls at least one land with the specified type.
No, Riot does not stack in Magic: The Gathering.
Mountainwalk is one of the six "land walk" abilities that creatures can have, the others being Plainswalk, Islandwalk, Forestwalk, Swampwalk and Non-basic Landwalk. Each refers to a specific land type, and means that if the defending player controls a land of that type, then the attacking creature cannot be blocked.
Magic the Gathering is not a cult. It is a collectible card game.
An open-minded Christian will have no issues with Magic the Gathering.
Yes, in Magic: The Gathering, a commander can be exiled.
2010 magic the gathering booster box!
There are over 20,000 different cards in Magic: The Gathering.
"Valakut" is a land card in Magic: The Gathering.
No, a creature is not considered a spell in Magic: The Gathering.
No, a planeswalker is not considered a creature in Magic: The Gathering.
No, a planeswalker is not considered a spell in Magic: The Gathering.
Yes, creatures are considered permanents in Magic: The Gathering.