Keyword: Protection

Protection from red
Elemental creatures you control get +1/+1.
When Master of Waves enters the battlefield, create a number of 1/0 blue Elemental creature tokens equal to your devotion to blue. (Each in the mana costs of permanents you control counts toward your devotion to blue.)

Defender (This creature can’t attack.)
Protection from black

This spell costs less to cast for each card type among cards in your graveyard.
When you cast this spell, you gain control of target opponent during that player’s next turn. After that turn, that player takes an extra turn.
Flying, trample, protection from instants

This spell costs less to cast for each card type among cards in your graveyard.
When you cast this spell, you gain control of target opponent during that player’s next turn. After that turn, that player takes an extra turn.
Flying, trample, protection from instants

Protection from white
: Wildfire Emissary gets +1/+0 until end of turn.

Flying, first strike, vigilance, lifelink, protection from red and from green

Flying, protection from black
Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When Karmic Guide enters the battlefield, return target creature card from your graveyard to the battlefield.

Protection from white and from black
Whenever you cast a creature spell, put a +1/+1 counter on Animar, Soul of Elements.
Creature spells you cast cost less to cast for each +1/+1 counter on Animar.

Changeling (This card is every creature type.)
Protection from black
: Chameleon Colossus gets +X/+X until end of turn, where X is its power.

Vigilance, protection from creatures
Whenever a creature deals combat damage to you, destroy that creature. Create a 1/1 white and black Spirit creature token with flying.

Flying, protection from all colors

Flying, first strike, vigilance, trample, haste, protection from black and from red

This spell can’t be countered.
Flying, trample, protection from white and from blue
: Akroma, Angel of Fury gets +1/+0 until end of turn.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Protection from blue (This creature can’t be blocked, targeted, dealt damage, or enchanted by anything blue.)
Whenever Goblin Piledriver attacks, it gets +2/+0 until end of turn for each other attacking Goblin.

Protection from blue (This creature can’t be blocked, targeted, dealt damage, or enchanted by anything blue.)
Whenever Goblin Piledriver attacks, it gets +2/+0 until end of turn for each other attacking Goblin.

This spell can’t be countered.
When you cast this spell, take an extra turn after this one.
Flying, protection from spells that are one or more colors, annihilator 6
When Emrakul, the Aeons Torn is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

Double strike, protection from black and from green

First strike, protection from black and from red (This creature deals combat damage before creatures without first strike. It can’t be blocked, targeted, dealt damage, or enchanted by anything black or red.)

Protection from red
Shadow (This creature can block or be blocked by only creatures with shadow.)

Protection from black
Shadow (This creature can block or be blocked by only creatures with shadow.)

Protection from Dragons
Dragon Hunter can block Dragons as though it had reach.

Flying, first strike, vigilance, trample, haste, protection from black and from red

Protection from red
Tap five untapped Goblins you control: Skirk Fire Marshal deals 10 damage to each creature and each player.

First strike, vigilance
Protection from Vampires, from Werewolves, and from Zombies

Protection from black
At the beginning of each end step, if Whirling Dervish dealt damage to an opponent this turn, put a +1/+1 counter on it.