mtg guildpact booster box / Guilds Of Ravnica and a cycle of Magics first four MtG Guildpact Izzet Gizmometry Theme

Slashin' n' Thrashin' Bruiser Bro Destroy this face-up card if there are non-Monster Cards face-up in your Spell & Trap Card Zone or in your Graveyard

When this card is Summoned, target Spell/Trap cards your opponent controls up to the number of cards in your opponen't's hand, and activate the following effects: * If the target is face-down, your opponent cannot activate the targeted card while this card is face-up on the field

Urzas abilities include reducing the cost of artifact, instant, and sorcery spells by two, creating two 1/1 creature tokens, and giving your artifacts and planeswalkers indestructible before destroying everything else.

You can even activate the card draw ability after Iron Spider is tapped to spread +1/+1 counters, which is a nice touch considering how many creatures with two activated abilities need to tap for both of them

If they just pass, you can Summon Loading