Ral, Izzet Viceroy — ruling 1

If you have only one card in your library, Ral's first ability puts it into your hand. Nothing is put into your graveyard.

Ral, Izzet Viceroy — ruling 2

If any exiled cards you own are face down, they have no characteristics. If they're normally instants or sorceries, they won't be counted for Ral's second ability.

Ral, Izzet Viceroy — ruling 3

The emblem created by Ral's last ability is colorless. The damage it deals is from a colorless source.

Ral, Izzet Viceroy — ruling 4

The triggered ability of Ral's emblem resolves before the spell that caused it to trigger. It resolves even if that spell is countered.

Ral, Izzet Viceroy — ruling 5

If the target permanent or player becomes an illegal target for the triggered ability of Ral's emblem, the ability doesn't resolve. You don't draw two cards.

Ral, Izzet Viceroy : règles, fonctionnement et interactions (MTG)

Ral, Izzet Viceroy is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

+1: Look at the top two cards of your library. Put one of them into your hand and the other into your graveyard. −3: Ral deals damage to target creature equal to the total number of instant and sorcery cards you own in exile and in your graveyard. −8: You get an emblem with "Whenever you cast an instant or sorcery spell, this emblem deals 4 damage to any target and you draw two cards."

How it works : Ral, Izzet Viceroy

Original English text — Wizards of the Coast / Scryfall

#1October 5, 2018· Wizards of the Coast
If you have only one card in your library, Ral's first ability puts it into your hand. Nothing is put into your graveyard.
No other card is named in this ruling.
#2October 5, 2018· Wizards of the Coast
If any exiled cards you own are face down, they have no characteristics. If they're normally instants or sorceries, they won't be counted for Ral's second ability.
No other card is named in this ruling.
#3October 5, 2018· Wizards of the Coast
The emblem created by Ral's last ability is colorless. The damage it deals is from a colorless source.
No other card is named in this ruling.
#4October 5, 2018· Wizards of the Coast
The triggered ability of Ral's emblem resolves before the spell that caused it to trigger. It resolves even if that spell is countered.
No other card is named in this ruling.
#5October 5, 2018· Wizards of the Coast
If the target permanent or player becomes an illegal target for the triggered ability of Ral's emblem, the ability doesn't resolve. You don't draw two cards.
No other card is named in this ruling.