While the previous hammer is a big tool meant for big swings, Loxodon Warhammer is a more moderate but still effective piece of gear
When the effect instructs you to cast a split card, you have to choose one of the sides to cast (fusing is not an option because that can be done only when casting from your hand
It also reads: "Spells you cast cost one less to cast for each card type they share with cards exiled with Cemetery Prowler." This means that if you exile a creature with Cemetery Prowler, your creatures cost one less to cast
Black Widow, Double Agent Body Double Double Cleave Double Cross Double Deal Double Dip Double Down Double Header Double Jump Double Major Double Negative Double Play Double Stroke Double Take Double Trouble Double Vision Doublecast Holographic Double Liliana's Other Contract (double-faced)(playtest) Osgood, Operation Double Plant a Sapling (double-faced)(playtest) Redoubled Stormsinger See Double Spark Double Spark Double Stunt Double Work a Double
Last but not least is Cyclone Summoner, a seven-mana 7/7 that has every permanent except for Giants, Wizards, and lands returned to their owners hands as long as you cast it from your own hand
(The Winds of Change type being stronger than the ones that refill the hand.) It is a little bit of stretch, but I'm trying to find any inkling of discard