The drawback is that you usually have to pay life to use them but life is a resource, and converting it into actual cards is often a great deal
Felidar Sovereign Form of the Approach of the Second Sun Gallifrey Stands Gideon of the Trials Halo Fountain Happily Ever After Hedron Alignment Helix Pinnacle Hellkite Tyrant Herald of Eternal Dawn Jace, Wielder of Mysteries Laboratory Maniac Laboratory Maniac Liliana's Contract Luck Bobblehead Mayael's Aria Maze's End Mechanized Production Mortal Combat Near-Death Experience Now I Know My ABC's Platinum Angel Platinum Angel Avatar Ramses, Assassin Lord Revel in Riches Shinryu, Transcendent Rival Simic Ascendancy Test of Endurance Thassa's Oracle The Book of Exalted Deeds The Cheese Stands Alone Triskaidekaphile Twenty-Toed Toad Wowzer, the Aspirational (playtest)
We're picking back up in 2003
While Magic has many, many other kinds of counters, +1/+1 counters show up incredibly frequently
Sceptile's role as a starter Pokmon evolution cements its position as a staple of the Pokmon franchise
A copy of a spell goes on the stack after the original, so it resolves first