Nicol Bolas has all loyalty abilities of all other planeswalkers on the battlefield. [+1]: You draw a card. Each opponent exiles a card from their hand or a permanent they control. [–3]: Destroy target creature or planeswalker. [–8]: Each opponent who doesn't control a legendary creature or planeswalker loses the game.
Whenever you cast or copy an instant or sorcery spell, Ral deals 1 damage to target opponent or planeswalker. [+2]: Scry 1. [–2]: When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.
During your turn, creatures and planeswalkers you control have lifelink. [+2]: Sorin deals 1 damage to target player or planeswalker. [–X]: Return target creature card with mana value X from your graveyard to the battlefield. That creature is a Vampire in addition to its other types.
Spells and abilities your opponents control can't cause you to discard cards or sacrifice permanents. [+1]: Choose a nonland card name, then reveal the top four cards of your library. Put all cards with the chosen name from among them into your hand and the rest into your graveyard. [–3]: Return target card from your graveyard to your hand.
Each opponent can cast spells only any time they could cast a sorcery. [+1]: Until your next turn, you may cast sorcery spells as though they had flash. [–3]: Return up to one target artifact, creature, or enchantment to its owner's hand. Draw a card.
Spells and abilities your opponents control can't cause their controller to search their library. [–1]: Target player mills four cards. Then exile each opponent's graveyard.
Artifact, instant, and sorcery spells your opponents cast cost {1} more to cast. [–1]: Until your next turn, prevent all damage that would be dealt to and dealt by target permanent an opponent controls.
Each creature you control assigns combat damage equal to its toughness rather than its power. [–3]: You gain life equal to the greatest toughness among creatures you control.
Your opponents and permanents your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof. [–3]: Exile target creature.
During your turn, creatures you control have first strike and equip abilities you activate cost {1} less to activate. [–X]: Nahiri deals X damage to target tapped creature.
Whenever you cast a noncreature spell, create a 1/1 colorless Servo artifact creature token. [–2]: Target artifact you control becomes a copy of another target artifact or creature you control until end of turn, except it's an artifact in addition to its other types.
Whenever a creature you control with deathtouch deals damage to a player or planeswalker, put a +1/+1 counter on that creature. [–2]: Create a 1/1 black Assassin creature token with deathtouch and "Whenever this token deals damage to a planeswalker, destroy that planeswalker."
[+1]: Draw a card, then discard a card at random. [–4]: Tibalt deals damage equal to the number of cards in target player's hand to that player. [–6]: Gain control of all creatures until end of turn. Untap them. They gain haste until end of turn.