Search target opponent's library for an artifact card and put that card onto the battlefield under your control. Then that player shuffles.

Suspend 4--{U} (Rather than cast this card from your hand, pay {U} and exile it with four time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

Target player draws three cards.

{T}: Add {C}.

{T}, Sacrifice Bountiful Landscape: Search your library for a basic Forest, Island, or Mountain card, put it onto the battlefield tapped, then shuffle.

Cycling {G}{U}{R} ({G}{U}{R}, Discard this card: Draw a card.)

Converge -- Search your library for a creature, instant, or sorcery card with mana value less than or equal to the number of colors of mana spent to cast this spell, exile that card, then shuffle. You may cast that card without paying its mana cost.

Escalate {G} (Pay this cost for each mode chosen beyond the first.)

Choose one or more --

• Destroy target artifact.

• Destroy target enchantment.

• Target creature gains hexproof and indestructible until end of turn.

{T}: Add one mana of any color in your commander's color identity.

Target player gains control of up to three target nonattacking creatures until end of turn. Untap those creatures. They block this turn if able.

Choose up to one creature. Destroy the rest.

Gain control of target creature with mana value X.

Choose a number between 0 and 10. Destroy all creatures with power greater than or equal to the chosen number.

Create an X/X blue and red Weird creature token, where X is the number of instant and sorcery cards in your graveyard. Then you may return an instant or sorcery card from your graveyard to your hand. Exile Experimental Overload.

Choose up to four target creatures you don't control. For each of them, that creature's controller faces a villainous choice -- That creature becomes a 1/1 white Human creature and loses all abilities, or you create a token that's a copy of it.

Create five 1/1 white Human creature tokens. If this spell was cast from a graveyard, create ten of those tokens instead.

Flashback {7}{W}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Suspend 3--{1}{U}{U} (Rather than cast this card from your hand, pay {1}{U}{U} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

Search target opponent's library for a creature card and put that card onto the battlefield under your control. Then that player shuffles.

Create a token that's a copy of target creature you control, except the token has flying and it isn't legendary.

This spell costs {W}{U} more to cast for each target beyond the first.

Choose any number of target players. Investigate X times, where X is the total number of creatures those players control.

Target creature gains your choice of lifelink or indestructible until end of turn.

Amass Orcs 1. (Put a +1/+1 counter on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)

Pit of Offerings enters the battlefield tapped.

When Pit of Offerings enters the battlefield, exile up to three target cards from graveyards.

{T}: Add {C}.

{T}: Add one mana of any of the exiled cards' colors.

Create a token that's a copy of target creature you control, except it isn't legendary.

Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Choose target land. Create three tokens that are copies of it, except they're 3/3 creatures in addition to their other types and they have vigilance and menace. (They're affected by summoning sickness.)

Untap all creatures you control and all creatures target opponent controls. You and that opponent each gain control of all creatures the other controls until end of turn. Those creatures gain haste until end of turn.

Scene of the Crime enters the battlefield tapped.

{T}: Add {C}.

{T}, Tap an untapped creature you control: Add one mana of any color.

{2}, Sacrifice Scene of the Crime: Draw a card.

This spell can't be copied.

Choose one. If an opponent has eight or more cards in their graveyard, you may choose both.

• Copy target spell. You may choose new targets for the copy. (A copy of a permanent spell becomes a token.)

• Create a token that's a copy of target creature.

Spree (Choose one or more additional costs.)

+ {2} -- Exchange control of two target creatures.

+ {1} -- Exchange control of two target artifacts.

+ {1} -- Exchange control of two target enchantments.

Create a token that's a copy of target creature.

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Gain control of each noncommander creature with mana value 3 or less.

Sunken Citadel enters the battlefield tapped. As it enters, choose a color.

{T}: Add one mana of the chosen color.

{T}: Add two mana of the chosen color. Spend this mana only to activate abilities of land sources.

Cast this spell only during an opponent's turn and only during combat.

Prevent all combat damage that would be dealt to you and planeswalkers you control this turn. Untap all attacking creatures and goad them. After this phase, there is an additional combat phase.

Choose a creature at random. You gain control of that creature until end of turn. Untap it. It gains haste until end of turn. Then destroy all other creatures.

Spree (Choose one or more additional costs.)

+ {1}{U} -- Counter target spell.

+ {3} -- Create a token that's a copy of target artifact or creature you control.

+ {2} -- Draw two cards, then discard a card.

Shuffle your library, then reveal the top card. If it's a nonland card, you may cast it without paying its mana cost. If it's a land card, you may put it onto the battlefield and return Unexpected Results to its owner's hand.

Create a 6/6 black and red Dragon creature token with flying, menace, and "Whenever this creature deals combat damage to a player, gain control of target artifact that player controls."

Flashback {6}{B}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Companion -- Each permanent card in your starting deck has an activated ability. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.)

Abilities you activate that aren't mana abilities cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.

{1}, {T}: Target creature can't block this turn.