As A-Thran Portal enters the battlefield, choose a basic land type.

Thran Portal is the chosen type in addition to its other types.

Mana abilities of A-Thran Portal cost an additional 1 life to activate.

As Belbe’s Portal enters the battlefield, choose a creature type.

{3}, {T}: You may put a creature card of the chosen type from your hand onto the battlefield.

Will of the council — At the beginning of your upkeep, starting with you, each player votes for carnage or homage. If carnage gets more votes, sacrifice Coercive Portal and destroy all nonland permanents. If homage gets more votes or the vote is tied, draw a card.

{1}, {T}: Return target creature to its owner’s hand unless its controller pays {1}.

Exile target creature you control, then return that card to the battlefield under its owner’s control. It gains first strike until end of turn.

{3}: If your library has ten or more cards in it, target opponent looks at the top ten cards of your library and separates them into two face-down piles. Exile one of those piles. Search the other pile for a card, put it into your hand, then shuffle the rest of that pile into your library.

{6}, {T}: Search your library for a card, put that card into your hand, then shuffle.

When Portable Hole enters the battlefield, exile target nonland permanent an opponent controls with mana value 2 or less until Portable Hole leaves the battlefield.

{1}, {T}: Return target creature you control and each Aura attached to it to their owners’ hands. Activate only during your turn.

When Portal to Phyrexia enters the battlefield, each opponent sacrifices three creatures.

At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under your control. It’s a Phyrexian in addition to its other types.

If a player would draw a card, that player skips that draw instead.

At the beginning of each end step, each player sacrifices a permanent unless they discard a card.

Imprint — When Prototype Portal enters the battlefield, you may exile an artifact card from your hand.

{X}, {T}: Create a token that’s a copy of the exiled card. X is the mana value of that card.

{T}: Add {C}.

As long as Riftstone Portal is in your graveyard, lands you control have “{T}: Add {G} or {W}.”

Target creature you control gets +1/+0 until end of turn and can’t be blocked this turn.

Overload {3}{U}{R} (You may cast this spell for its overload cost. If you do, change “target” in its text to “each.”)

At the beginning of your end step, exile up to one target artifact or creature you control, then return that card to the battlefield under its owner’s control.

Thran Portal enters the battlefield tapped unless you control two or fewer other lands.

As Thran Portal enters the battlefield, choose a basic land type.

Thran Portal is the chosen type in addition to its other types.

Mana abilities of Thran Portal cost an additional 1 life to activate.

Flash

When Portal Mage enters the battlefield during the declare attackers step, you may reselect which player or permanent target attacking creature is attacking. (It can’t attack its controller or its controller’s planeswalkers.)

Whenever Durnan attacks, look at the top four cards of your library. You may exile a creature card from among them. Put the rest on the bottom of your library in any order. For as long as that card remains exiled, you may cast it. That spell has undaunted. (It costs {1} less to cast for each opponent.)

Choose a Background (You can have a Background as a second commander.)

Flash

When Portal Manipulator enters the battlefield during the declare attackers step, choose target player and any number of target attacking creatures their opponents control. Those creatures are now attacking that player.