When it comes to practical applications it could be a good home for jank like Burnished Hart and Wayfarer's Bauble that you took out of your precons
If you are a "kitchen table" player with a group of friends, try buying a complete playset of commons/uncommons for each set that comes out (4x of each card.) This will typically run around $20-30 on ebay and yet greatly expand your collection
Retreat: C Weakness: P Resistance: None ------------------------------------------------------------------------------ Gastly D31 - Uncommon Type: Psychic Evolution: Basic Pokemon Level: 17 HP: 50 P - Lick (10) Effect: Flip a coin
Older cantrips that wait until the next upkeep to draw a card work well here, since you can fire them off on an opponent's turn, then trigger your draw-2 effect on your turn with all your mana still open
While it isnt competitive, its a fun group hug or chaos piece that changes the whole tables strategy
There are enough coin-flip cards in Magic: The Gathering that I could have chosen practically any of them