Gabi, The Pacifist Pixie

When Gabi, The Pacifist Pixie is the battlefield creatures with power or toughness greater than
2 can not attack.
When Gabi leaves the battlefield choose an opponent,
creatures that player control gets +2/0 and cant
attack you unless their owner pays {5}.
When an opponent declares an attack you may pay {w}{u}{b}{r}{g}. If you do, creatures you control gets indestructible until end of turn.