Drowsing Tyrannodon

Defender (This creature can’t attack.)
As long as you control a creature with power 4 or greater, Drowsing Tyrannodon can attack as though it didn’t have defender.

Portcullis Vine

Defender (This creature can’t attack.)
, , Sacrifice a creature with defender: Draw a card.

Warded Battlements

Defender (This creature can’t attack.)
Attacking creatures you control get +1/+0.

Wall of Runes

Defender (This creature can’t attack.)
When Wall of Runes enters the battlefield, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Wall of Shards

Defender, flying
Cumulative upkeep—An opponent gains 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Wall of Fortune

Defender
You may tap an untapped Wall you control to have any player reroll a die that player rolled.

Dragon Egg

Defender
When Dragon Egg dies, create a 2/2 red Dragon creature token with flying and “: This creature gets +1/+0 until end of turn.”

Glade Watcher

Defender
Formidable — : Glade Watcher can attack this turn as though it didn’t have defender. Activate this ability only if creatures you control have total power 8 or greater.

Mnemonic Wall

Defender
When Mnemonic Wall enters the battlefield, you may return target instant or sorcery card from your graveyard to your hand.

Wall of Omens

Defender
When Wall of Omens enters the battlefield, draw a card.

Hightide Hermit

Defender
When Hightide Hermit enters the battlefield, you get (four energy counters).
Pay : Hightide Hermit can attack this turn as though it didn’t have defender.

Guard Gomazoa

Defender, flying
Prevent all combat damage that would be dealt to Guard Gomazoa.

Benevolent Ancestor

Defender (This creature can’t attack.)
: Prevent the next 1 damage that would be dealt to any target this turn.

Fog Bank

Defender, flying
Prevent all combat damage that would be dealt to and dealt by Fog Bank.

Suspicious Bookcase

Defender (This creature can’t attack.)
, : Target creature can’t be blocked this turn.

Floodgate

Defender (This creature can’t attack.)
When Floodgate has flying, sacrifice it.
When Floodgate leaves the battlefield, it deals damage equal to half the number of Islands you control, rounded down, to each nonblue creature without flying.

Battle Rampart

Defender
: Target creature gains haste until end of turn.

Akroan Horse

Defender
When Akroan Horse enters the battlefield, an opponent gains control of it.
At the beginning of your upkeep, each opponent creates a 1/1 white Soldier creature token.

Doorkeeper

Defender
, : Target player mills X cards, where X is the number of creatures with defender you control.

Wishful Merfolk

Defender
: Wishful Merfolk loses defender and becomes a Human until end of turn.

Wall of One Thousand Cuts

Defender, flying
: Wall of One Thousand Cuts can attack this turn as though it didn’t have defender.