The entire list is cards that care about you casting spells along with spells that only cost one mana, so you can cast a ton of them in just one turn
Sure, you might choose to build Krenko, Mob Boss tribal Goblins and then have a Daretti, Scrap Savant artifact deck
With this card reaching the four-figure range, it's a hard card to obtain, but if you want to flex on your friends or other collectors, this is definitely the one that has that effect
For example, while it's in your graveyard, Questing Druid is a green creature card whose mana value is 2
Leovold, Emissary of Trest A common story among the upper ranks, Leovold, Emissary of Trest was an amazing card-draw (for you) and draw-hate (for your foes) Sultai commander until, victim of its own success, it was banned from EDH