Activation condition

The Activation Requirement of a card, is a payment, or a condition that must be paid and/or met, in order to activate a specific card.

Premature Burial's Activation Requirement is a payment of 800 Life Points.

Magic Jammer's Activation Requirement is a discard of 1 card from your hand.

Mirror Force's Activation Requirement is a condition in which your opponent has declared an attack.

Shining Force's Activation Requirements are 2 conditions that need to be met; The first requires your opponent to declare an attack. The second requires your opponent to have 3 Attack Position monsters on his/her side of the field.