Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep. You draw a card at the beginning of the next turn's upkeep.

Creatures you control have base power and toughness X/X until end of turn.

Target creature you control gets +2/+2 and gains hexproof until end of turn.

Target creature gets +3/+3 until end of turn.

Counter target spell.

Counter target spell. Its controller draws a card. Draw a card.

Prevent all combat damage that would be dealt to you this turn. Populate. (Create a token that's a copy of a creature token you control.)

Prevent all combat damage that would be dealt this turn.

Until end of turn, target creature gets +1/+1 for each creature you control and gains reach.

Target creature gets +3/+3 until end of turn.

Target creature gets +2/+2 until end of turn. Landfall — If you had a land enter the battlefield under your control this turn, that creature gets +4/+4 until end of turn instead.

Draw a card. You may put a land card from your hand onto the battlefield.

Target creature gets +1/+1 until end of turn for each creature you control.

Counter target noncreature spell.

Target creature you control gets +3/+3 and gains trample, hexproof, and indestructible until end of turn.

Choose one — • Return all creature tokens to their owners' hands. • Return all nontoken creatures to their owners' hands.

For each token you control, create a token that's a copy of that permanent.

Target creature gains double strike until end of turn. Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.

Target creature gets +3/+1 until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Target creature gets +4/+4 until end of turn.

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

Creature tokens you control have flying. {2}{G}{U}, {T}, Sacrifice a token: Create a 4/4 green Beast creature token. Activate only as a sorcery.

You have no maximum hand size. {T}: Add one mana of any color.

Players have no maximum hand size. {X}{X}, {T}: Each player draws X cards. {2}{U}, {T}: Each opponent mills cards equal to the number of cards in their hand.

As this artifact enters, choose a creature type. Creatures you control of the chosen type get +1/+1. {T}: Add one mana of any color.

{T}: Add {C}{C}.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

{T}: Each player draws a card.

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) If one or more tokens would be created under your control, twice that many of those tokens are created instead.

Haste As long as this card is in your graveyard and you control a Mountain, creatures you control have haste.

Creature tokens you control have haste. At the beginning of combat on your turn, create a 2/1 blue Phyrexian Myr artifact creature token. Then you may choose a token you control. If you do, each other token you control becomes a copy of that token.

When this creature enters, reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put that card into your hand.

Flying You have no maximum hand size. Whenever a creature token you control deals combat damage to a player, draw a card.

{4}{G}: Target creature gets +2/+2 until end of turn.

Flying Whenever this creature deals combat damage to a player, each player discards their hand, then draws seven cards.

Whenever a creature deals combat damage to one of your opponents, its controller may draw a card.

Flying The first time you would create one or more tokens during each of your turns, you may instead choose a creature other than Esix and create that many tokens that are copies of that creature.

Each spell you cast that's red or green costs {1} less to cast.

Tokens you control have "{T}: Add {G}." Choose a Background (You can have a Background as a second commander.)

At the beginning of each player's draw step, that player draws an additional card.

{G}{U}: Target creature can't be blocked this turn. If that creature is a Snake, it gets +2/+2 until end of turn.

{T}: Add {G}.

Whenever you draw a card, put a +1/+1 counter on this creature.

{1}{R}, {T}, Sacrifice this creature: Each player discards their hand, then draws seven cards.

{G}: Add one mana of any color.

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand. Whenever you draw a card, each opponent loses 1 life.

{T}: Add {G}, {U}, or {R}. Morph {2} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When this creature is turned face up, add {G}{U}{R}.

This creature has first strike during your turn. Whenever an opponent draws a card, this creature deals 1 damage to them.

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

At the beginning of your upkeep, each player draws a card. Whenever an opponent draws a card, that player loses 1 life.

Other Snake creatures you control get +2/+2. Whenever a Snake you control deals combat damage to a player, you may draw a card.

This creature can't be blocked.

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.

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

Choose one — • Each player draws X cards. • Each player mills X cards.

Assist (Another player can pay up to {5} of this spell's cost.) Each player shuffles their hand and graveyard into their library, then draws seven cards. Exile Game Plan.

Join forces — Starting with you, each player may pay any amount of mana. Each player draws X cards, where X is the total amount of mana paid this way.

Creatures you control get +3/+3 and gain trample until end of turn. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.)

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

Each player draws X cards. Forecast — {2}{U}, Reveal this card from your hand: Each player draws a card. (Activate only during your upkeep and only once each turn.)

Create two 1/1 green Snake creature tokens. Whenever a nontoken Snake you control enters, you may return this card from your graveyard to your hand.

Enchant creature Enchanted creature can't be blocked. Whenever enchanted creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Sacrifice a creature: This enchantment deals 1 damage to any target.

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

Creatures you control have haste. Legendary creatures you control get +1/+0.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)