Vivi can be hard to keep in play due to his notoriety (he did terrible things in Standard) but on the bright side, his mana cost is so low that it shouldn't be too hard to bring him back
You may also think that similar to Shahrazad, the card would be banned due to how impractical and difficult it would be to enforce this in a tournament setting, but you'd be wrong
Spike Weaver is another "just try and attack me" card
Each game is full of different stories to play through - which of the two games you pick will determine how those stories will play out - but the main draw is that whilst your opponent is building a deck of cards to try and whittle you down, youll be able to select your own set to shuffle into the deck as well
On the other end of the spectrum are cards like Charizard VMAX, who simply rip through the opposition on pure power
Svella, Ice Shaper, is a good lieutenant to include in your deck , as she is also capable of producing mana-generating tokens with the added benefit that they can be used immediately when they come into play