If a player casts a split card with fuse from his or her hand, in addition to choosing either half as described above (in 708.2a), the player may choose to cast both halves, resulting in a fused split spell
Necropotence with Dark Ritual was a defining feature of the format and very difficult to stop without the full suite of turn-1 free countermagic available to Magic as a whole
This is a natural pairing, since the Inspector will always give you some measure of value along with a body to crew your Copter that isnt even remotely a large investment
Most of these picks will be for Standard as that is what Standard set releases tend to impact the most, but there are a couple here that are more suited for older formats
You get so much impact for so little mana
This card also works well with threaten effects (that's to say, cards that let you steal your opponent's cards until end of turn) that are common in red