Developer or publisher: Hudson Soft
If your opponent is running an aggressive deck, then from here on out, you'll want to carefully gauge whether you can survive their next turn

These are some of the best ones I could find: Sin Prodder, Twilight Prophet, Combustible Gearhulk, Sorin, Grim Nemesis, Reviving Vapors, Rush of Knowledge, Ugin's Insight, Interpret the Signs, Nissa's Revelation, Greater Good, Demonlord Belzenlok, Emrakul's Influence Card Draw: Yidris, Maelstrom Wilder, Maelstrom Nexus, Sunbird's Invocation Cascades: Scattering Stroke, Psychic Battle Denial: Timesifter Extra Turns: Favor of the Mighty Protection: Recross the Paths, Selvala, Heart of the Wilds Ramp: Mercurial Chemister, Wolf of Devil's Breach, Riddle of Lightning, Blast of Genius, Disaster Radius, Heretic's Punishment, Kozilek's Return, Nahiri's Wrath, Displacement Wave, Gaze of Granite, Pernicious Deed Removal: Vengeful Rebirth Recursion: Fierce Empath, Treasure Mage, Conduit of Ruin, Grozoth, Sanctum of Ugin Tutors: Spellbound Dragon, Metallurgic Summonings, Kalemne, Disciple of Iroas, Vial Smasher the Fierce, Baneful Omen, Infernal Genesis Beatdown: I'm happy to see that Red is bringing the most value in terms of high cmc support cards

(You can't use more than 1 GX attack in a game.)
This is the one that tells you rarity