For just one red mana, you can kill a tiny leader, deal the last 3 damage needed to take an opponent out of the game, or finish off a pesky planeswalker or battle sitting on board
Green relies on fight effects and artifact or enchantment removal rather than direct kill spells.
Jund Em Out Minor gripes about the list of potential cards that Jund Em Out copies aside, this card is both fun and properly evocative of playing a Constructed Bloodbraid Elf deck
Flexible "Choose a creature type" lands are easy includes, choosing whatever non-changeling creature type that you have the most of in your hand at the time that you play them
Otaria can net you a lot of extra power from those forgotten spells that have been lingering in your graveyard just lurking
Providing a counterspell, removal, bodies, card draw, and life gain all at once, this spell really does it all