If you have any doubts, try to understand on which turn a card is good, how much mana or how many resources you need to optimize it, and how many similar cards you already run
Cards like Primevals' Glorious Rebirth, Urza's Ruinous Blast and Karn's Temporal Sundering are powerful but require a legendary creature or planeswalker on board to cast
Then you can tap it, put a burden counter on it, and draw as many cards as it has burden counters
Sources: TCGPlayer (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
This doesn't even take into account the new Epic Rarity that adds another layer of collectability

Waternoose III Chief Executive Officer FOIL Epic 221 Roz Always Watching FOIL Epic 222 Hundred Acre Wood Hunny Campsite FOIL Epic 223 Kronk Meat Hut Cook FOIL Epic 224 Mulan Created by the Vine FOIL Epic 225 Megavolt Electrical Menace FOIL Epic 226 Mike Wazowski Heroic Climber FOIL Enchanted 227 Pocahontas & Meeko Adventurous Friends FOIL Enchanted 228 Woody & Buzz Lightyear Best Buddies FOIL Enchanted 229 Sulley & Boo Scare Buddies FOIL Enchanted 230 The Madrigal Family Every Generation FOIL Enchanted 231 Merida Wisp Conjurer FOIL Enchanted 232 Aladdin & Genie Mischievous Pals FOIL Enchanted 233 Peter Pan & Tinker Bell Fast Friends FOIL Enchanted 234 Winnie the Pooh & Piglet Hunny Mages FOIL Enchanted 235 Maleficent & Diablo Evil Incarnate FOIL Enchanted 236 Tod & Copper Best of Friends FOIL Enchanted 237 Carl Fredricksen & Russell Intrepid Explorers FOIL Enchanted 238 Mickey Mouse & Minnie Mouse Adventuring Duo FOIL Enchanted 239 Rapunzel & Flynn Rider Unlikely Pair FOIL Enchanted 240 Meilin Lee Popular Red Panda FOIL Enchanted 241 Dash Parr & Violet Parr Super Siblings FOIL Enchanted 242 Darkwing Duck & Launchpad St
