The delayed trigger that draws you a card also stacks, so two discards before you attack allows you to give your best attacker a +4/+0 buff and draw two cards if it does any face damage
If you dont need to draw and need to push damage through, it can also switch to a mass pump spell
Remember, activated abilities can be activated at instant speed, so you can activate the Deathdealers regenerate ability whenever youd cast an instant
Using the cards you picked during the drafting phase and as many basic lands as you choose, you then have to build the best 40-card deck you can
Once youve taken an opponents turn, Emrakul, the Promised End does nicely lure opposing creatures into its loving tentacle embrace, which is going to be approximately equal to exiling one creature
You don't choose a target for Cait Sith's ability at the time it triggers