There's one headliner card for each of the four main Turtles
This means that, even if we get our opponent's library empty during our turn, they can potentially still kill us on their upkeep with an instant-speed burn spell or by activating something like Bontu the Glorified
Instant Danny Pink Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) Creatures you control have "Whenever one or more counters are put on this creature for the first time each turn, draw a card." Creatures you control have "Whenever one or more counters are put on this creature for the first time each turn, draw a card." Legendary Creature - Human Soldier Advisor Elspeth Resplendent +1: Choose up to one target creature
Then you can tap Vexing Puzzlebox, remove 100 counters, and search your library for any artifact card, and put it directly into play
In the past, Supporter cards were desired for how useful they were in games
Trading Etiquette Beyond deals and security checks, trading has its own social rules