Combos Utilizing Null-Brooch

use ertai to counter spells during their turn, null brooch for your turn.

Counter target noncreature spell and discard your hand; then deal 2 damage to target opponent

use the null brooch to get rid of your hand then the bridge makes their creatures unable to attack then on your turn draw with 3 with the oath and attack with weenies

Spend 2 and tap Null Brooch, discard your hand and counter a noncreature spell. Cast Avatar of Will for UU

try to keep one card in your hand (squee) and keep countering shit

keep out at least one bridge, one cap, one welder and pop out brooches. Use the welder to get any extra bridges or caps out of the way for more brooches. more brooches=better defense for for bridge.