Surveil 5. (Look at the top five cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Draw two cards, then discard two cards. Untap up to three lands.

This creature gets +2/+2 for each Aura attached to it. Whenever you cast an Aura spell, you may draw a card.

Shadow (This creature can block or be blocked by only creatures with shadow.) Whenever this creature deals damage to an opponent, draw a card, then discard a card.

{T}: Draw a card, then discard a card.

Surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchant creature Enchanted creature gets +1/+1 for each card in its controller's hand. At the beginning of the draw step of enchanted creature's controller, that player draws an additional card.

Enchant creature When this Aura enters, draw a card for each Aura you control that's attached to a creature. Enchanted creature gets +1/+1 for each Aura you control that's attached to a creature.

Whenever you cast an Aura, Equipment, or Vehicle spell, draw a card.

Enchant creature Enchanted creature gets +1/+1 and has lifelink and "Whenever this creature deals combat damage to a player, draw a card."

Draw three cards. Then discard two cards unless you discard an enchantment card.

Enchant creature As long as enchanted creature is attacking alone, it can't be blocked. Enchanted creature has "Whenever this creature deals combat damage to a player, it connives." (Its controller draws a card, then discards a card. If they discarded a nonland card, they put a +1/+1 counter on this creature.)

{T}: Add {C}. {T}: Add {W} or {U}. This land deals 1 damage to you.

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

This land enters tapped unless you control two or more other lands. {T}: Add {W} or {U}.

{T}: Add one mana of any color that a land an opponent controls could produce.

This land enters tapped unless you control a Plains or an Island. {T}: Add {W} or {U}.

({T}: Add {U}.)

{T}: Add {C}. {W/U}, {T}: Add {W}{W}, {W}{U}, or {U}{U}.

{T}: Add {C}. {T}: Add {W}. Activate only if you control an Island. {T}: Add {U}. Activate only if you control a Plains.

({T}: Add {W}.)

As this land enters, you may reveal a Plains or Island card from your hand. If you don't, this land enters tapped. {T}: Add {W} or {U}.

({T}: Add {W} or {U}.) This land enters tapped unless you control two or more basic lands.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

Landfall — Whenever a land you control enters, target player mills three cards.

Defender {T}: Creatures you control gain haste until end of turn.

Enchant permanent Enchanted permanent has hexproof. When enchanted permanent leaves the battlefield, if it was historic, draw two cards. (Artifacts, legendaries, and Sagas are historic.)

During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.

Enchant creature Enchanted creature gets +2/+2 and has protection from creatures.

Enchant permanent Enchanted permanent has indestructible. (Effects that say "destroy" don't destroy that permanent. A creature with indestructible can't be destroyed by damage.)

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Target artifact or creature gains hexproof and indestructible until end of turn. Scry 1.

Enchant creature Enchanted creature gets +2/+2 and has protection from each color. This effect doesn't remove Auras. (It can't be blocked, targeted, or dealt damage by anything that's white, blue, black, red, or green.)

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.)

Enchant creature Enchanted creature gets +1/+1 for each artifact and/or enchantment you control.

Enchant creature Enchanted creature gets +2/+2 for each Aura attached to it and has vigilance.

Enchant creature Enchanted creature has double strike. (It deals both first-strike and regular combat damage.)

Enchant creature with another Aura attached to it Enchanted creature gets +3/+3 and has first strike, vigilance, and lifelink. (Damage dealt by the creature also causes its controller to gain that much life.)

Enchant creature Enchanted creature gets +10/+10 and has trample and annihilator 2. (Whenever it attacks, defending player sacrifices two permanents of their choice.)

Enchant creature Enchanted creature gets +1/+1 for each enchantment you control and has first strike.

Enchant creature Enchanted creature has "Whenever this creature attacks alone, it gets +X/+X until end of turn, where X is the number of nonland permanents you control."

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

When this artifact enters, search your library for up to two basic Plains cards, reveal them, put them into your hand, then shuffle. Whenever a land an opponent controls enters, if that player controls more lands than you, you may put a land card from your hand onto the battlefield.

{1}, {T}: Add {W}{U}.

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

{T}: Add one mana of any color that a land an opponent controls could produce.

White spells you cast cost {1} less to cast. Blue spells you cast cost {1} less to cast. Spells your opponents cast cost {1} more to cast.

This artifact enters tapped. {T}: Add {W}.

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

Whenever an opponent casts their second spell each turn, you create a Treasure token.

Flying {T}: Add one mana of any color.

This artifact enters tapped. {T}: Add {U}.

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

Return all attacking creatures to their owner's hand.

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

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.

Counter target spell.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Each player puts a vow counter on a creature they control and sacrifices the rest. Each of those creatures can't attack you or planeswalkers you control for as long as it has a vow counter on it.

Each player chooses a creature or planeswalker they control, then sacrifices the rest. Players can't cast creature or planeswalker spells until the end of your next turn.

Exile target creature. Its controller gains life equal to its power.

Return a creature you control to its owner's hand, then destroy all creatures.

When this creature enters, you may search your library for an Aura card, reveal it, put it into your hand, then shuffle.