Garruk, Cursed Huntsman Emblem

Creatures you control get +3/+3 and have trample.

Kraken

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Teferi's Talent Emblem

You may activate loyalty abilities of planeswalkers you control on any player's turn any time you could cast an instant.

Sauron, the Dark Lord

Ward—Sacrifice a legendary artifact or legendary creature.
Whenever an opponent casts a spell, amass Orcs 1.
Whenever an Army you control deals combat damage to a player, the Ring tempts you.
Whenever the Ring tempts you, you may discard your hand. If you do, draw four cards.

Wall

Assassin

Whenever this creature deals combat damage to a player, that player loses the game.

Kiora, the Crashing Wave Emblem

At the beginning of your end step, create a 9/9 blue Kraken creature token.

Ob Nixilis Reignited Emblem

Whenever a player draws a card, you lose 2 life.

Ajani Steadfast Emblem

If a source would deal damage to you or a planeswalker you control, prevent all but 1 of that damage.