These cards don't provide a mechanical reason to play them - most of them have bad stats, negative effects, some are just vanilla creatures, others are entirely unusable without significant workarounds
Tapping Mirri after creatures have attacked will not remove creatures from combat
This shrine generates a ton of mana for the deck and is one of the first ones you should tutor up
At the beginning of each player's upkeep, that player creates a 5/1 red Elemental creature token named Lightning Rager
You dont love it if youre aggressive because it doesnt get blockers out of the way, but it is efficient enough to be fine
Unlike removal spells, counterspells can completely prevent most cards getting any value whatsoever, which is especially relevant against cards that have powerful enters the battlefield abilities