Target player loses 2 life and you gain 2 life. Create two Blood tokens. (They're artifacts with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

As an additional cost to cast this spell, discard a card. Draw two cards. If the discarded card wasn't a land card, Grab the Prize deals 2 damage to each opponent.

Lightning Bolt deals 3 damage to any target.

Haste Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

({T}: Add {B} or {R}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

This land enters tapped. When this land enters, it deals 1 damage to target opponent. {T}: Add {B} or {R}.

({T}: Add {R}.)

This land enters tapped unless a player has 13 or less life. {T}: Add {B} or {R}.

Target opponent loses 3 life and you gain 3 life. Madness {B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Fiery Temper deals 3 damage to any target. Madness {R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

End the Festivities deals 1 damage to each opponent and each creature and planeswalker they control.

As an additional cost to cast this spell, you may collect evidence 6. (Exile cards with total mana value 6 or greater from your graveyard.) Each opponent sacrifices a creature of their choice. If evidence was collected, instead each opponent sacrifices a creature with the greatest power among creatures they control.

{T}, Sacrifice this artifact: Exile target player's graveyard. When this artifact is put into a graveyard from the battlefield, you may pay {B}. If you do, draw a card.

Destroy target artifact. Smash to Smithereens deals 3 damage to that artifact's controller.