First strike {T}: Reveal your hand and discard a card of target opponent's choice. Then that player reveals their hand and discards a card of your choice. Activate only as a sorcery.
{4}{B}, {T}: Target player discards two cards. Activate only as a sorcery. Channel — {5}{B}{B}, Discard Ghost-Lit Stalker: Target player discards four cards. Activate only as a sorcery.
Flying {1}, Sacrifice a Spirit: Target opponent reveals their hand. You choose a card from it. That player discards that card. Activate only as a sorcery. Soulshift 4
Bushido 1 {1}{W}, {T}: Put a training counter on target creature. That creature gains bushido 1 and becomes a Samurai in addition to its other creature types. Activate only as a sorcery.
{2}{U}, {T}: Put target creature on the bottom of its owner's library. That creature's controller reveals cards from the top of their library until they reveal a creature card. The player puts that card onto the battlefield and the rest on the bottom of their library in any order. Activate only as a sorcery.
Imprint — When Spellweaver Helix enters, you may exile two target sorcery cards from a single graveyard. Whenever a player casts a card, if it has the same name as one of the cards exiled with Spellweaver Helix, you may copy the other. If you do, you may cast the copy without paying its mana cost.
{3}{R}{R}: Untap all creatures you control. After this main phase, there is an additional combat phase followed by an additional main phase. Activate only as a sorcery.
Threshold — {1}{B}, {T}, Exile two cards from your graveyard: Target player discards a card. Activate only as a sorcery and only if seven or more cards are in your graveyard.
{3}{R}: Target opponent reveals a card at random from their hand. Planeswalker's Fury deals damage equal to that card's mana value to that player. Activate only as a sorcery.
{3}{B}: Target opponent reveals a card at random from their hand. Target creature gets -X/-X until end of turn, where X is the revealed card's mana value. Activate only as a sorcery.
Your opponents play with their hands revealed. Sacrifice Seer's Vision: Look at target player's hand and choose a card from it. That player discards that card. Activate only as a sorcery.