Entrapment Maneuver — ruling 1

An "attacking creature" is one that has been declared as an attacker or put onto the battlefield attacking during this combat. Unless that creature leaves combat, it continues to be an attacking creature through the end of combat step, even if the player it was attacking has left the game or the planeswalker it was attacking has left combat.

Entrapment Maneuver — ruling 2

If you cast Entrapment Maneuver after combat damage has been dealt, only creatures that survived combat can be sacrificed.

Entrapment Maneuver — ruling 3

Entrapment Maneuver doesn't target the creature to be sacrificed. The target player chooses one as it resolves. No player may take any other actions between the target player choosing the creature and you creating Soldier tokens.

Entrapment Maneuver — ruling 4

To determine how many Soldier tokens are created, use the toughness of the sacrificed creature as it last existed on the battlefield.

Entrapment Maneuver : règles, fonctionnement et interactions (MTG)

Entrapment Maneuver is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

Target player sacrifices an attacking creature of their choice. You create X 1/1 white Soldier creature tokens, where X is that creature's toughness.

How it works : Entrapment Maneuver

Original English text — Wizards of the Coast / Scryfall

#1November 8, 2016· Wizards of the Coast
An "attacking creature" is one that has been declared as an attacker or put onto the battlefield attacking during this combat. Unless that creature leaves combat, it continues to be an attacking creature through the end of combat step, even if the player it was attacking has left the game or the planeswalker it was attacking has left combat.
No other card is named in this ruling.
#2November 8, 2016· Wizards of the Coast
If you cast Entrapment Maneuver after combat damage has been dealt, only creatures that survived combat can be sacrificed.
No other card is named in this ruling.
#3November 8, 2016· Wizards of the Coast
Entrapment Maneuver doesn't target the creature to be sacrificed. The target player chooses one as it resolves. No player may take any other actions between the target player choosing the creature and you creating Soldier tokens.
Card named in this ruling
Soldier
#4November 8, 2016· Wizards of the Coast
To determine how many Soldier tokens are created, use the toughness of the sacrificed creature as it last existed on the battlefield.
Card named in this ruling
Soldier