Accorder’s Shield

Equipped creature gets +0/+3 and has vigilance. (Attacking doesn’t cause it to tap.)
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Ghoul’s Feast

Target creature gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard.

Guardians of Akrasa

Defender (This creature can’t attack.)
Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Tainted Isle

: Add .
: Add or . Activate this ability only if you control a Swamp.

Overrule

Counter target spell unless its controller pays . You gain X life.

Traveler’s Amulet

, Sacrifice Traveler’s Amulet: Search your library for a basic land card, reveal it, put it into your hand, then shuffle your library.

Recoil

Return target permanent to its owner’s hand. Then that player discards a card.

Dragon’s Claw

Whenever a player casts a red spell, you may gain 1 life.

Demon’s Horn

Whenever a player casts a black spell, you may gain 1 life.

Kraken’s Eye

Whenever a player casts a blue spell, you may gain 1 life.

Wurm’s Tooth

Whenever a player casts a green spell, you may gain 1 life.

Fierce Empath

When Fierce Empath enters the battlefield, you may search your library for a creature card with converted mana cost 6 or greater, reveal it, put it into your hand, then shuffle your library.

Champion’s Helm

Equipped creature gets +2/+2.
As long as equipped creature is legendary, it has hexproof. (It can’t be the target of spells or abilities your opponents control.)
Equip

Dragon’s Claw

Whenever a player casts a red spell, you may gain 1 life.

Wurm’s Tooth

Whenever a player casts a green spell, you may gain 1 life.

Dragon’s Claw

Whenever a player casts a red spell, you may gain 1 life.

Kraken’s Eye

Whenever a player casts a blue spell, you may gain 1 life.