Big flying dragons are usually great in Limited, but the only thing Twinflame Tyrant asks of players is sufficient investment into red and maybe another creature or two to be a slam-dunk pick
Even if all it does is eat an attack and kill a creature, you've still gained at least 5 life and that more than makes up for the additional cost
The only colour borders legal in the main Magic formats are black, the most common, and white, which was used in older Magic sets to denote if a card was a reprint
Peregrine Drake untaps five lands when it enters the battlefield, so each time you exile and bring it back, you get three additional mana
Most of the time you can make a pretty educated guess about what is coming at you if they don't play much
The ONE Three-Drop (and Alternatives) The three-drop slot is definitely where the choice most depends on what version of the deck you are playing, with the most aggressive versions even eschewing them completely