
Creatures can't attack you unless their controller pays for each creature they control that's attacking you.
"Barring a few exceptions, we have detained all those with allegiance to the Scions. The Rising Stones is also under our control." —Crystal Brave Soldier
Illustrated by Gintas Galvanauskas · Final Fantasy Commander · #268
2004-10-04
The payment is made during the declare attackers step at the same time you are declaring the attacker.
2004-10-04
If there are multiple attacks in a turn, then you have to pay for each attack.
2004-10-04
If there is more than one Propaganda on the battlefield, the cost is cumulative.
2004-10-04
Paying this cost is not an instant or any other kind of ability, it is an additional cost on the declaration of the attacker.