Exile the top card of your library. You may put that card into your hand unless it has the same name as another card exiled this way. Repeat this process until you put a card into your hand or you exile two cards with the same name, whichever comes first.
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.
Compleated [+1]: Tap up to one target artifact or creature. It doesn't untap during its controller's next untap step. [–X]: Exile target nonland permanent card with mana value X from your graveyard. Create a token that's a copy of that card. [–7]: Create Tamiyo's Notebook, a legendary colorless artifact token with "Spells you cast cost {2} less to cast" and "{T}: Draw a card."
Until your next turn, your life total can't change and you gain protection from everything. All permanents you control phase out. Exile Teferi's Protection.
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.
Flash As long as The Wandering Emperor entered the battlefield this turn, you may activate her loyalty abilities any time you could cast an instant. [+1]: Put a +1/+1 counter on up to one target creature. It gains first strike until end of turn. [–1]: Create a 2/2 white Samurai creature token with vigilance. [–2]: Exile target tapped creature. You gain 2 life.
{T}: Until end of turn, each time damage is dealt to target creature or player, prevent X of that damage, where X is a number from 1 to 3 chosen at random each time.
Colorless spells you cast cost {2} less to cast. [+1]: Exile the top card of your library face down and look at it. Create a 2/2 colorless Spirit creature token. When that token leaves the battlefield, put the exiled card into your hand. [–3]: Destroy target permanent that's one or more colors.