edhseer Commander synergy, explained
Enchantment
Mana cost: {3}{R}{R}{R}
At the beginning of your upkeep, each player exiles the top card of their library. Until end of turn, you may play the card you own exiled this way and each other card exiled this way with lesser mana value than it without paying their mana costs.
triggered —
Causes: exile a card.
Cares about: an upkeep.
anything is exiled — 2,497 cards in the game can cause this (Triple Triad is one).
an enchantment is cast — 3,673 cards in the game can cause this (Triple Triad is one).
When Triple Triad is cast:
255 other cards care about it too. These are the ones with the most connections.
a nontoken enchantment enters the battlefield — 3,691 cards in the game can cause this (Triple Triad is one).
an enchantment enters the battlefield — 3,743 cards in the game can cause this (Triple Triad is one).
When Triple Triad enters:
59 other cards care about it too. These are the ones with the most connections.