Bruse Tarl, Roving Rancher
Then do it again.) Call Forth the Tempest deals damage to each creature your opponents control equal to the total mana value of other spells you've cast this turn
Other creatures have activated abilities that rely on creatures that are already tapped, such as Anafenza, the Foremost and Alibou, Ancient Witness, buffing them while dealing damage
Oh, and Lara Croft has a raid trigger that creates a Treasure token at the end of combat on your turn if you attacked this turn, which is nice on its own, but sneakily helps you activate abilities of legendary artifacts or lands you plunder with Lara Croft that might require a color of mana you dont have access to
However, I'd argue that just makes it the total package
Its starting out at a not-expensive price, and I fully expect it to go lower