You get 11 power and toughness for 6 mana with trample
If you want fun pack opening with chase-card potential, also consider The Lost Caverns of Ixalan, Outlaws of Thunder Junction and older high-interest sets when pricing is sensible
Cards previously graded Gem Mint 9.5 are exactly equivalent to Gem Mint 10 under the updated grading scale, and are reflected in the CGC Cards Certification Verification, Population Report and Registry resources under the Gem Mint 10 grade, without any action needing to be taken by collectors and dealers
Your opponents see this coming, so they might slow roll threats until you pop the Zone, but that threat of activation is an advantage in and of itself
At 4, you can start to see stuff with a 4-power throwdown
A standard Pokmon card should read 2.5 inches wide and 3.5 inches tall exactly