HallHow it works & interactions with other cards

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Gungnir — Destroy target creature an opponent controls. II — Zantetsuken — This creature gains "Whenever this creature deals combat damage to a player, that player loses the game." III — Hall of Sorrow — Draw two cards. Each player loses 2 life.

Hall of the Bandit Lord enters tapped. {T}, Pay 3 life: Add {C}. If that mana is spent on a creature spell, it gains haste.

Flying, vigilance Whenever one or more +1/+1 counters are put on a creature you control, Shalai and Hallar deals that much damage to target opponent.

Flash Whenever a player draws their second card each turn, you draw a card. {4}{W}{U}: Transform King T'Challa. Activate only as a sorcery. Flash Double strike Prevent all damage that would be dealt to Black Panther. Whenever Black Panther deals combat damage to a player, draw a card.

The Nuka-Cola Challenge — Whenever one or more creatures you control deal combat damage to a player, put a quest counter on Sierra and create a Food token. Whenever you sacrifice a Food, target creature you control gets +X/+X until end of turn, where X is the number of quest counters on Sierra.

As Hall of Triumph enters, choose a color. Creatures you control of the chosen color get +1/+1.

Whenever T'Challa enters or attacks, create a tapped Vibranium token. (It's an artifact with indestructible and "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") Whenever you cast an artifact spell with mana value 4 or greater, put two +1/+1 counters on T'Challa.

Trample Whenever you cast a spell, if that spell was kicked, put a +1/+1 counter on Hallar, then Hallar deals damage equal to the number of +1/+1 counters on it to each opponent.

Exile All Hallow's Eve with two scream counters on it. At the beginning of your upkeep, if this card is exiled with a scream counter on it, remove a scream counter from it. If there are no more scream counters on it, put it into your graveyard and each player returns all creature cards from their graveyard to the battlefield.

{3}{G/P}: Transform this creature. Activate only as a sorcery. ({G/P} can be paid with either {G} or 2 life.) When this creature transforms into Blightsower Thallid or dies, create a 1/1 green Phyrexian Saproling creature token.

Whenever a Swamp or Forest enters under your control, draft a card from Slimefoot, Thallid Transplant's spellbook.