mtg storm cards Elspeth, Slayer (Showcase) [TDM copy it for each spell cast before it this turn Magic: the Gathering - Storm

Result: Infinite storm, infinite mana, infinite enters/leaves the battlefield and graveyard triggers

Moana, Of Motunui The Disney princess to lead all Princesses Moana, Of Motunui has fast established itself as not just one of the best amber Lorcana cards in The First Chapter, but one of the most powerful cards of any colour in the set

Monastery Mentor Monastery Mentor, one of the best prowess cards in Magic, has been a great card in many formats all the way up to Vintage, where the sequence of casting it as fast as possible using fast mana and following up with free spells like Mox Sapphire and Gitaxian Probe makes Mentor one of the biggest threats in the format

That might even be zero, but adding 2 loyalty counters to the 3 Ajani starts with is nothing to ignore

Effects like Strionic Resonator double up the triggers, but my preferred method is making extra copies