All MAR cards have the same drop rateyou're as likely to get a Parallel Lives as you are to find a Shock
Simply pick a commander, select your theme, and get building
If sickness gets more votes, creatures your opponents control get -2/-2 until end of turn

1 The Thirteenth Doctor 1 Yasmin Khan 1 Danny Pink 1 Osgood, Operation Double 1 Twice Upon a Time 1 Become the Pilot 1 Quantum Misalignment 1 Nardole, Resourceful Cyborg 1 Flatline 1 Bill Potts 1 Into the Time Vortex 1 Dan Lewis 1 Flaming Tyrannosaurus 1 Ryan Sinclair 1 Return the Past 1 Impending Flux 1 The Flux 1 Sisterhood of Karn 1 Graham O'Brien 1 Karvanista, Loyal Lupari 1 The Foretold Soldier 1 Fugitive of the Judoon 1 River Song 1 Madame Vastra 1 Jenny Flint 1 Strax, Sontaran Nurse 1 The Twelfth Doctor 1 The Fugitive Doctor 1 Me, the Immortal 1 Frost Fair Lure Fish 1 Lunar Hatchling 1 Heaven Sent 1 Last Night Together 1 River Song's Diary 1 Confession Dial 1 Clara Oswald 1 Chaos Warp 1 Cursed Mirror 1 Carpet of Flowers 1 Dreamroot Cascade 1 Temple of Mystery 1 Vineglimmer Snarl 1 Waterlogged Grove 1 Desolate Lighthouse 1 Rockfall Vale 1 Rootbound Crag 1 Temple of Abandon 1 Cinder Glade 1 Sheltered Thicket 1 Temple of Epiphany 1 Frostboil Snarl 1 Stormcarved Coast 1 Fiery Islet 1 Game Trail 1 Exotic Orchard 1 Gallifrey Council Chamber 1 Psychic Paper 1 TARDIS 1 Sonic Screwdriver 1 Start the TARDIS 1 Surge of Brilliance 1 Iraxxa, Empress of Mars 1 Memory Worm 1 Decaying Time Loop 1 Thijarian Witness 1 Truth or Consequences 1 Bigger on the Inside 1 Wreck and Rebuild 1 Arcane Signet 1 Sol Ring 1 Ponder 1 Think Twice 1 Preordain 1 Throes of Chaos 1 Cultivate 1 Search for Tomorrow 1 Farseek 1 Beast Within 1 Growth Spiral 1 Talisman of Curiosity 1 Talisman of Impulse 1 Rogue's Passage 1 Frontier Bivouac 1 Reliquary Tower 1 Myriad Landscape 1 Temple of the False God 1 Path of Ancestry 1 Command Tower 1 Ominous Cemetery 4 Island 3 Mountain 4 Forest Pardox Power Tokens 1 Human // Fish token 1 Fish // Beast token 1 Clue // Copy token 1 Food // Copy token 1 Treasure // Alien Warrior token 1 Alien // Copy token 1 Alien Warrior // Alien Rhino token 1 Alien Warrior // Food token 1 Copy // Osgood, Operation Double token 1 Alien Warrior // Treasure token Human (Thirteenth) // Fish Fish // Beast Clue (Thirteenth) // Copy Food (Thirteenth) // Copy Treasure (Thirteenth) // Alien Warrior Alien // Copy Alien Warrior // Alien Rhino Alien Warrior // Food (Thirteenth) Copy // Osgood, Operation Double Alien Warrior // Treasure (Thirteenth) Paradox Power Planechase Cards The Doctor's Childhood Barn Stormcage Containment Facility The Drum, Mining Facility Singing Tower of Darillium Fixed Point in Time Besieged Viking Village North Pole Research Base Temple of Atropos Kerblam

If you are going to push on with just two mana, it's best to try to have an extra instant card in your hand, either to remove a potential blocker or apply the pressure with more direct damage to your opponent
In this set, Items seem to be getting the biggest buff, with a few new ramping capabilities