You can always use popular competitive songs like Be King Undisputed and Be Prepared to clear the board
Black plays into the venture mechanic well with cards like Zombie Ogre that lets you venture if you lost a creature that turn
Which makes sense - the next MTG banlist announcement is in August, and Modern players (including the Pro Tour winner) are pretty sure that Nadu is on the way out, which will leave Jeskai Control in a stronger position
These cards will often have additional text which explain what the card does, as well as a cost, which is how much ink you need to spend to play the card
It's about as straightforward as you can get, and the fact that it occupies a once-per-turn Supporter card role means we can't imagine it's getting a ton of play
Its deck makes good use of strong Enrage cards like Ripjaw Raptor, paired with reliable ways to inflict damage on your own creatures