Once you've done this, other threshold cards with the same condition become much more attractive
check out what that means in our guide to Storyborn, Dreamborn and Floodborn characters
This creates a controlled upgrade chain: Treasures become one-drops, baubles turn into two-drops, and early utility pieces scale naturally into major mid-game engines
On top of making ridiculously large zombie tokens for just casting creature spells, undead Oketras also just a house on its own
Many Middle-earth cards use "becoming the Monarch" or "The Ring tempts you" mechanics
The most important cards you are looking for are Fastbond, Brain Freeze, Yawgmoths Will and/or Underworld Breach, fast mana, and the draw-7s like Timetwister, Wheel of Fortune, Memory Jar, and Time Spiral