You can't choose different ones
In a high-powered Commander game, Ancient Tomb is brilliant - accelerating you towards your win condition and putting you a land up on your opponents for a fairly inconsequential cost
Timetwister + Wheel of Fortune Draw sevens like Timetwister and Wheel of Fortune require some setup to really break
Just by being played, the card prevented a player's opponent from casting spells at Instant-speed, forcing them to only play during their turn and shutting down a huge number of playstyles
Necromancer's Covenant Endless Ranks of the Dead Liliana, the Last Hope Assemble the Legion Krenko, Mob Boss Garruk, Primal Hunter Utvara Hellkite Etc, etc, etc
2) Magnification / Rosette Pattern (non-destructive) Under magnification, real MTG cards show a rosette dot pattern in printed areas