edhseer Commander synergy, explained
Instant
Mana cost: {4}{U}{U}
As an additional cost to cast this spell, you may reveal a Dragon card from your hand.
If you revealed a Dragon card or controlled a Dragon as you cast this spell, this spell can't be countered.
Draw four cards.
on-cast — draws you 4 cards
Causes: draw a card.
Cares about: nothing.
a card is drawn — 3,815 cards in the game can cause this (Dragonlord's Prerogative is one).
When Dragonlord's Prerogative makes a player draw a card:
57 other cards care about it too. These are the ones with the most connections.
an instant is cast — 3,931 cards in the game can cause this (Dragonlord's Prerogative is one).
When Dragonlord's Prerogative is cast:
427 other cards care about it too. These are the ones with the most connections.
anything is cast — 31,128 cards in the game can cause this (Dragonlord's Prerogative is one).
When Dragonlord's Prerogative is cast:
5 other cards care about it too. These are the ones with the most connections.