Emissary's Gambit

When you play Emissary's Gambit, target player
exiles X lands from their library, pays X life, and
this card enters the battlefield under their control.
{3}{t}: Repeat the following process X times.
Deal 1 damage to target opponent, gain 2 life, or
add 3 colorless mana to your mana pool.
"When Probability itself is at your command... How
will you wield it? I can't wait to see." -Zeiphir, Esper's
Emissary