Aggro is how quickly, through combat, you can end the game
Additionally, collector numbers for ripple foil tokens with the MH3 set code as well as the front and back side order in which tokens appear differ in Creative Energy Collector's Edition, where tokens appear as follows: 1 Energy Reserve (Helper) // Servo token 1 Aetherborn // Servo token 1 Illusion // Servo token 1 Phyrexian Myr (Brudiclad) // Servo token 1 Treasure // Copy token 1 Gremlin (1/1) // Copy token 1 Copy // Gremlin (1/1) token 1 Thopter // Copy token 1 Construct (6/12) // Myr token 1 Aetherborn // Thopter token See the tokens and helper from Creative Energy and Creative Energy Collector's Edition (tokens and helper) in the Modern Horizons 3 Card Image Gallery
This land deals 1 damage to you
Since there's no color restriction you can slot Conjurer's Closet into practically any deck, though a little bit of ramp is nice since five-mana is a bit of an awkward amount when you normally will want a higher impact card going into the mid-game
It's a strictly worse version of Gaea's CradleGaea's Cradle (although this one taps for mana even without creatures, so maybe...), but this can be said for the vast majority of lands in the game
Even an aggro player's worst nightmare can sometimes be their best friend