Martha Jones

Woman Who Walked the Earth — When Martha Jones enters, investigate. (Create a Clue token. It’s an artifact with “, Sacrifice this artifact: Draw a card.”)
Whenever you sacrifice a Clue, Martha Jones and up to one other target creature can’t be blocked this turn.
Doctor’s companion (You can have two commanders if the other is the Doctor.)

Heroes’ Podium

Each legendary creature you control gets +1/+1 for each other legendary creature you control.
, : Look at the top X cards of your library. You may reveal a legendary creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Rotating Fireplace

Rotating Fireplace enters tapped with a time counter on it.
: Add an amount of equal to the number of time counters on Rotating Fireplace.
, : Time travel. Activate only as a sorcery. (For each suspended card you own and each permanent you control with a time counter on it, you may add or remove a time counter.)

Heroes’ Podium

Each legendary creature you control gets +1/+1 for each other legendary creature you control.
, : Look at the top X cards of your library. You may reveal a legendary creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Martha Jones

Woman Who Walked the Earth — When Martha Jones enters, investigate. (Create a Clue token. It’s an artifact with “, Sacrifice this artifact: Draw a card.”)
Whenever you sacrifice a Clue, Martha Jones and up to one other target creature can’t be blocked this turn.
Doctor’s companion (You can have two commanders if the other is the Doctor.)

Danny Pink

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)
Creatures you control have “Whenever one or more counters are put on this creature for the first time each turn, draw a card.”

Martha Jones

Woman Who Walked the Earth — When Martha Jones enters, investigate. (Create a Clue token. It’s an artifact with “, Sacrifice this artifact: Draw a card.”)
Whenever you sacrifice a Clue, Martha Jones and up to one other target creature can’t be blocked this turn.
Doctor’s companion (You can have two commanders if the other is the Doctor.)

Martha Jones

Woman Who Walked the Earth — When Martha Jones enters, investigate. (Create a Clue token. It’s an artifact with “, Sacrifice this artifact: Draw a card.”)
Whenever you sacrifice a Clue, Martha Jones and up to one other target creature can’t be blocked this turn.
Doctor’s companion (You can have two commanders if the other is the Doctor.)

Temple of Atropos

At the beginning of each of your postcombat main phases, there is an additional beginning phase after this phase. (The beginning phase includes the untap, upkeep, and draw steps.)
When chaos ensues, reverse the game’s turn order. Then planeswalk. (For example, if play had proceeded clockwise around the table, it now goes counterclockwise.)

Danny Pink

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)
Creatures you control have “Whenever one or more counters are put on this creature for the first time each turn, draw a card.”

Galadhrim Bow

Flash
When Galadhrim Bow enters, attach it to target creature you control. Untap that creature.
Equipped creature gets +1/+2 and has reach.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Dreadful as the Storm

Target creature has base power and toughness 5/5 until end of turn. The Ring tempts you.

Bag End Porter

Whenever Bag End Porter attacks, it gets +X/+X until end of turn, where X is the number of legendary creatures you control.

Gala Greeters

Alliance — Whenever another creature you control enters, choose one that hasn’t been chosen this turn —
• Put a +1/+1 counter on Gala Greeters.
• Create a tapped Treasure token.
• You gain 2 life.