mtg cards cast from graveyard Grave Scrabbler [Commander 2019] if it shares a card type with the exiled card Cards that reward playing spells

We can have strictly gold cards, hybrid-mana cards that share these mana colors, or cards like Tasigur, the Golden Fang that are black but have a blue and green activated ability

A permanent that becomes a copy of a melded permanent has only the characteristics of that combined back face, and its mana value is 0

In games where players have a sideboard, it is advisable to include a few "Plan B" cards that enable an alternate win condition if necessary, such as by swapping out creatures vulnerable to removal with sorceries and instants

When this creature enters, exile target instant or sorcery card from an opponent's graveyard

It's got delve, and can be super cheap

That means that menace dorks are now unblockable, and this is a great combo with Goblin War Drums