"Magic 2011", +"can't attack", +!defender, +!detain, +!"you may change" (6)
Flying
Each opponent who cast a spell this turn can't attack with creatures.
Each opponent who attacked with a creature this turn can't cast spells.
Bloodcrazed Goblin can't attack unless an opponent has been dealt damage this turn.
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Harbor Serpent can't attack unless there are five or more Islands on the battlefield.
Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.
When enchanted creature becomes the target of a spell or ability, destroy Ice Cage.
Enchanted creature can't attack or block.
All lands are Islands in addition to their other types.
Creatures without flying or islandwalk can't attack.
Gatherer works better in the Companion app!