Moltensteel Dragon + Scion of the Ur-Dragon + Skithiryx, the Blight Dragon

Mana needed: {4}{R/P}{R/P}{R/P}{R/P}{R/P}{R/P}, plus an additional {B} if Scion of the Ur-Dragon has summoning sickness

WUBRG identity

Commander legal

The 3 combo pieces

What must be in place

An opponent is unable to block and kill Scion of the Ur-Dragon.

How to execute it

  1. Activate Scion of the Ur-Dragon by paying {2}.
  2. Holding priority, activate Scion of the Ur-Dragon a second time by paying {2}.
  3. Resolve the first Scion of the Ur-Dragon ability, searching your library for Moltensteel Dragon, putting it into your graveyard, causing Scion of the Ur-Dragon to become a copy of Moltensteel Dragon until end of turn, and shuffling your library.
  4. Activate Scion of the Ur-Dragon by paying {R/P}, giving itself +1/+0 until end of turn.
  5. Repeat step 4 five additional times.
  6. Resolve the Scion of the Ur-Dragon ability from step 1, searching your library for Skithiryx, putting it into your graveyard, causing Scion of the Ur-Dragon to become a copy of Skithiryx until end of turn, and shuffling your library.
  7. If Scion of the Ur-Dragon has summoning sickness, activate it by paying {B}, giving it haste until end of turn.
  8. Deal combat damage with Scion of the Ur-Dragon, causing an opponent to get ten poison counters and lose the game due to lethal infect damage.

What the combo produces