Change the permissions of the installation file to make it executable by typing chmod +x Dateiname
While other players can stop you drawing from Esper Sentinel, more often than not, they won't want to wait an extra turn to play their spells, more or less ensuring the card at least replaces itself
Whether Experience Card should see play would depend on the specific strategy and synergies of the deck it's included in
Inferno X (MUR Charizard X ex, +28% from launch) and MEGA Dream ex (post-reprint opportunity) fit this profile closest
Tutors, Skyship Weatherlight, Captain Sisay, and so on, to find the exact card you need for any situation
The five different colors of mana have their strengths, weaknesses, and strategic archetypes