You can print a whole Commander deck at once, for example
A quick evolution to Gyrados from Magikarp with a very lucky Misty Supporter Card coin flip, might grant you one shot early in the game and stall the energy gathering of your psychic opponent, but chances are that by the time you've evolved and energized your big hitter enough to try a Hyper Beam, you've already been Psydrived for your full 150 HP
From there, you can use cards like Night of the Sweets' Revenge to pump your creatures further and utilize those Food tokens as a win condition
Each backup ability triggers separately.) Trample Whenever this creature deals combat damage to a player, put that many +1/+1 counters on it
This card might seem innocuous, but trust me: beneath that unassuming exterior it's got fangs
In general, drawing cards tends to be a tempo-negative play: You spend resources to get cards that you may use later, rather than affecting the board right now