chaos cards sleeves Control Holographic (JP/Standard) or spilled mead ULTRA PRO WARHAMMER CHAMPIONS CHAOS

Assessing expected returns on any front for walkers is just conjecture

Using Boros Charm to gain indestructible and redirecting any damage to yourself -thus hitting creature with Pariah and Arcbond with damage which triggers Pariah ( deals damage to opponent) and Arcbond (again) rinse and repeat for infinite damage

The best one, though, is that for five additional mana you can destroy all creatures

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As it is, break out those Scroll RackScroll Racks and BrainstormBrainstorms and start plotting the perfect time to surprise the world with your sudden invulnerability

This effect also banishes your opponents card face-up, meaning you can scout out exactly what it is your opponent is playing before its too late