Counter target activated ability. (Mana abilities can't be targeted.) Draw a card.

Prevent all combat damage that would be dealt this turn.

Put a +1/+1 counter on target creature you control. It gains reach, trample, hexproof, and indestructible until end of turn. (It can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.)

Permanents you control gain hexproof and indestructible until end of turn.

Change the target of target spell with a single target. You lose life equal to that spell's mana value.

Target creature you control gains hexproof until end of turn. You gain life equal to that creature's toughness. (A creature with hexproof can't be the target of spells or abilities your opponents control.)

Search your library for a card, put that card into your hand, then shuffle.

Search your library for a card, put that card into your hand, then shuffle. You lose 3 life.

Target player draws two cards and loses 2 life.

Target creature gains trample until end of turn. Draw a card.

Whenever a black card is put into an opponent's graveyard from anywhere, you may draw a card.

Exile target card from a graveyard. Draw a card.

Surveil 2, then draw two cards. You lose 2 life. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Draw three cards.

You draw two cards and you lose 2 life.

Magecraft — Whenever you cast or copy an instant or sorcery spell, each opponent loses 2 life and you gain 2 life. +1: You lose 1 life. Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard. −3: Each opponent sacrifices a creature with the greatest power among creatures that player controls. −8: Each opponent may discard a card. If they don't, they lose 3 life. Repeat this process six more times.

Scry 2, then draw two cards. You lose 2 life. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Add {B}{B}{B}. Threshold — Add {B}{B}{B}{B}{B} instead if seven or more cards are in your graveyard.

As this artifact enters, choose artifact, creature, enchantment, instant, or sorcery. Spells you cast of the chosen type cost {1} less to cast.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Add {B}{B}{B}.

Target player untaps all basic lands they control.

You may play an additional land this turn. Draw a card.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

Search your library for up to two basic Forest cards, reveal those cards, and put one onto the battlefield tapped and the rest into your hand. Then shuffle. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, search your library for up to three basic Forest cards instead of two.

As this enchantment enters, sacrifice all lands you control. Lands you control have "{T}: Add two mana of any one color."

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Search your library for a basic land card, reveal that card, put it into your hand, then shuffle. Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Tempting offer — Search your library for a land card and put it onto the battlefield. Each opponent may search their library for a land card and put it onto the battlefield. For each opponent who searches a library this way, search your library for a land card and put it onto the battlefield. Then each player who searched a library this way shuffles.

Each opponent loses X life. You gain life equal to the life lost this way.

Exchange your hand and graveyard. Exile Harness Infinity.

({G/P} can be paid with either {G} or 2 life.) Put target card from a graveyard on top of its owner's library.

Return all cards from your graveyard to your hand. Exile Praetor's Counsel. You have no maximum hand size for the rest of the game.

Return target creature card from your graveyard to your hand. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Return target card from your graveyard to your hand.

This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}.

{2}, {T}: Add {B} for each Swamp you control.

({T}: Add {G}.)

You have no maximum hand size. {T}: Add {C}.

({T}: Add {B}.)

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Destroy each nonland permanent with mana value 2 or less. Add {B} or {G} for each permanent destroyed this way.

Destroy all creatures. They can't be regenerated.

Destroy target creature. Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Destroy target artifact. Add {G}{G}{G}.

For each creature your opponents control, create a 4/4 green Phyrexian Beast creature token. Each of those tokens fights a different one of those creatures.

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Choose one — • All creatures get -1/-1 until end of turn. • Destroy target enchantment. • Regenerate each creature you control.

Destroy target artifact or enchantment. Its controller gains 4 life.

Destroy target artifact or creature. It can't be regenerated.

Each opponent sacrifices a creature or planeswalker with the highest mana value among creatures and planeswalkers they control.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Until end of turn, creatures target player controls lose all abilities and have base power and toughness 0/2.

Kicker {1}{B} (You may pay an additional {1}{B} as you cast this spell.) Exile target artifact or enchantment. If this spell was kicked, exile target nonland permanent instead.

Target player loses 2 life and you gain 2 life. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Storm (When you cast this spell, copy it for each spell cast before it this turn. Copies become tokens.) Aeve isn't legendary if it's a token. Aeve enters with a +1/+1 counter on it for each other Ooze you control.

Oozes you control get +1/+1. At the beginning of your upkeep, if you control a commander, create a token that's a copy of this creature.