You might want to ensure your opening hand has more removal than usual, or perhaps you're looking for ways to outpace a slower deck
(Do you think they should errata this to have the balloon creature type?) #49
Creature - Dinosaur Ojer Axonil, Deepest Might Trample If a red source you control would deal an amount of noncombat damage less than Ojer Axonil's power to an opponent, that source deals damage equal to Ojer Axonil's power instead
Can't tangle with Tas/Goyf/Rhino either) Multicolored Wilt-Leaf Liege Keranos, God of Storms Olivia Voldaren Fulminator Mage Sigarda, Host of Herons Honorable mention: Sphinx's Revelation It's a trap!: Abrupt Decay (Not only does this fail the "don't out-efficiency Abzan test", but it doesn't even hit Rhino, Tas, or manlands) Colorless Batterskull Relic of Progenitus Karn, Liberated Etched Champion Spellskite Honorable mention: Sundering Titan It's a trap!: Wurmcoil Engine (Tron's anti-Jund allstar, but the Path weakness is just so glaring
It can slow your opponent down simply by existing, since they'll need to dedicate resources to removing it, which usually means opening their characters up to be Challenged