Joey Wheeler, Luckiest Duelist

Whenever Joey Wheeler enters, conjure a Time Wizard onto your side of the battlefield.

Whenever you flip a coin, conjure a card
into your hand depending on the result;
Heads-Graceful Dice or Tails-Skull Dice.

Whenever you would roll a dice or flip a coin, you may do so an additional time and ignore one result. This effect can only trigger once per turn.