The on-field effect was inspired somewhat by Super Rejuvenation, which I recognize is banned (well, in the TCG) but I figure if youre investing four monsters (and a Fusion Spell) into a card, its gotta help you generate some advantage and pay itself back
And yes, Skullcrack ruins Traps day
If the opponent activates a powerful Monster effect, you can use Forbidden Chalice on it to prevent it from going off
The Tyranid Swarm Universes Beyond: Warhammer 40,000 Commander Deck set includes 1 ready-to-play Green-Blue-Red deck of 100 Magic: The Gathering cards (2 legendary traditional foil cards, 98 nonfoil cards), 1 foil-etched Display Commander (a thick cardstock copy of the commander card with foil etched into the card's border and art), 10 double-sided tokens, 1 deck box (can hold 100 sleeved cards), 1 life tracker, 1 strategy insert, and 1 reference card