A staple of 5-color domain decks, Leyline Binding is one of the best and cheapest versions of this effect, and as such, its seen play in many formats
Remember, a card has to be able to draw at minimum two cards on its own before we'll call it card draw. The following are fine examples of cantripping colorless cards, but not necessarily the type of card draw we're focusing on: Chromatic Sphere Fountainport Bell Vexing Bauble Mishra's Bauble Relic of Progenitus Solemn Simulacrum Library of Alexandria Library of Alexandrias power level is such that it's banned in almost every sanctioned format except Vintage, where it's restricted
Unfortunately, despite some strong reprints, this Secret Lair Drop is yet another financial dud
Whichever way, you need to make sure youre feeding your squirrels to bring out the best in them
Overlord of the Hauntwoods Three generic, two green enchantment creature Avatar Horror 6/5 Mythic Rare Impending 4 One generic, two green (If you cast this spell for its impending cost, it enters with four time counters on it and isn't a creature until the last is removed