Sram, Senior Edificer [c]Sram, Senior Edificer[/c] may not be an identical copy of [c]Puresteel Paladin[/c], but the two cards share quite a bit of overlap
Legality depends on the tournament format -- Impetuous Lootmonger can be legal in some formats and banned or restricted in others
As such it is only when you need specific things for your deck to function, either you are light on answers or are revolving around some sort of engine or synergy that you become happier paying two mana in your turn to get a card you want
It was through the Pokemon Trading Card Game, those flimsy cardstocks you could buy in packs
Hagra Mauling / Hagra Broodpit Hagra Mauling is a little expensive for a Murder effect at 4 mana, so here the playability is 100% tied to it being an MDFC land card
White and green have lots of things to help with that and black has lots of things to use it on