It's not a hard and fast rule, but it's stuck with me
Gaining haste is a big deal though, and Zetalpa can end the game quickly with only three attacks, not to mention if you have any Angel of Inventions on the battlefield that pump its power and toughness
Illustrated by Pete Venters Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
However, it is still notable that this card saw a decent amount of Standard play out of the sideboard
Brawl Not Legal Vintage Legal Timeless Not Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Notes and Rules Information for Bloodroot Apothecary: A player with ten or more poison counters loses the game
Jace Beleren Jace Reawakened Jace, Arcane Strategist Jace, Architect of Thought Jace, Cunning Castaway Jace, Ingenious Mind-Mage Jace, Memory Adept Jace, Mirror Mage Jace, Telepath Unbound Jace, Unraveler of Secrets Jace, Wielder of Mysteries Jace, the Living Guildpact Jace, the Mind Sculptor Jace, the Perfected Mind Space Beleren