Haste

When Clive enters or attacks, you may pay {X}. If you do, Clive deals X damage to target creature. If excess damage is dealt this way, draw a card.

Summon Ifrit — At the beginning of your end step, if you have dealt eight or more damage this turn, exile Clive, then return him to the battlefield transformed.

4/4

Ifrit, Dominant of Fire

Legendary Creature Enchantment — Saga Demon

I, II — Add {R}{R}{R}{R}

IV — Ifrit deals X damage to each opponent and each creature they control, where X is the amount of unspent mana in your mana pool. Exile Ifrit, then return it to the battlefield.

Creature —

Menace

If you would lose unspent mana, that mana becomes red instead.

6/6