With plenty of red mana, you can chain Goblin sacrifices to get a ton of creatures in play as well as multiple death triggers
"Assassin sources" include any objects with the Assassin creature type
Some of the items I'm most excited for are these two large folders, these are Portfolios for the game, meant to keep your cards safe
Artifacts have always been one of the most flexible and powerful card types in Magic: The Gathering, and The Brothers War gives them a chance to shine
However, it comes with the ability 10,000 Needles, which makes it gain +9,999 power until the end of the turn whenever it attacks
No, split cards only count as a single card