Sacrifice

Sacrifice, often shortened to sac, is a keyword action. It means to move a permanent you control to its owner's graveyard.

Description
Sacrificing or saccing is purposely or forcefully removing a permanent from play. This can be due to an effect on the card itself, the effect of another permanent already in play, coming into or leaving play or a spell such as an instant or sorcery. A sacrificed permanent cannot be regenerated. Even though the card Sacrifice was in Alpha, the keyword action of sacrifice didn't show up until Revised Edition.

Strategy
Sacrifice decks have a unique strategy: convert one resource into another that leads you to victory. One of the first competitive combo sacrifice decks is among the most famous in its history: Prosperous Bloom.

Forced sacrifice

 * Sacrifice a creature (target/each player sacrifices a creature) is primary in black.
 * Sacrifice an artifact (target/each player sacrifices an artifact) is primary in red.
 * Sacrifice a permanent (target/each player sacrifices a permanent) is also primary in red.

Cards that prevent/prohibit sacrificing

 * Angel of Jubilation
 * Assault Suit
 * Sigarda, Host of Herons
 * Tajuru Preserver
 * Tamiyo, Collector of Tales
 * Yasharn, Implacable Earth