Double strike, haste

Whenever this creature attacks, you get (two energy counters), then you may pay eight . If you pay, untap all creatures you control, and after this phase, there is an additional combat phase.

Flying, vigilance, haste

Whenever Aurelia attacks for the first time each turn, untap all creatures you control. After this phase, there is an additional combat phase.

Flying

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)

Whenever this creature attacks for the first time each turn, if it's attacking the player with the most life or tied for most life, untap all attacking creatures. After this phase, there is an additional combat phase.

Whenever one or more modified creatures you control attack, untap all modified creatures you control. After this phase, there is an additional combat phase. This ability triggers only once each turn. (Equipment, Auras you control, and counters are modifications.)

Flying, haste

Whenever this creature attacks, you may pay . If you do, untap all attacking creatures and after this phase, there is an additional combat phase.

Whenever you attack, if it's the first combat phase of the turn, untap all attacking creatures. They gain first strike until end of turn. After this phase, there is an additional combat phase.

Choose a Background (You can have a Background as a second commander.)

When Godo enters, you may search your library for an Equipment card, put it onto the battlefield, then shuffle.

Whenever Godo attacks for the first time each turn, untap it and all Samurai you control. After this phase, there is an additional combat phase.

Whenever this creature deals combat damage to a player, untap each creature you control. After this phase, there is an additional combat phase.

This creature can't attack a player it has already attacked this turn.

Menace (This creature can't be blocked except by two or more creatures.)

Whenever Raphael deals combat damage to a player for the first time each turn, untap all attacking creatures. After this combat phase, there is an additional combat phase.

For Mirrodin! (When this Equipment enters, create a 2/2 red Rebel creature token, then attach this to it.)

Equipped creature gets +2/+2.

Whenever equipped creature attacks, if it's the first combat phase of the turn, untap each attacking creature. After this phase, there is an additional combat phase.

Equip

Morbid — This spell costs less to cast if a creature died this turn.

Enchant creature

When this Aura enters, untap each creature you control. If it's your main phase, there is an additional combat phase after this phase.

Enchanted creature gets +2/+2 and has haste.

Creatures you control get +1/+1 and have deathtouch.

When this enchantment enters, if it's your main phase, there is an additional combat phase after this phase followed by an additional main phase. When you next attack this turn, untap each creature you control.

After this main phase, there are two additional combat phases.

At the beginning of each combat this turn, untap all creatures that attacked this turn.

Freerunning (You may cast this spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.)

Untap all creatures you control that attacked this turn. If it's your main phase, there is an additional combat phase after this phase, followed by an additional main phase.

Haste

Jurin must be blocked if able.

Whenever Jurin attacks, each creature you control attacking a player gets +1/+0 until end of turn for each creature that player controls.

Flying, trample

Whenever this creature deals combat damage to a player, untap it. After this phase, there is an additional combat phase.

This creature can't attack a player it has already attacked this turn.

Backup 1 (When this creature enters, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.)

Whenever this creature attacks, for each attacking modified creature you control, create a tapped and attacking token that's a copy of that creature. Exile those tokens at end of combat. (Equipment, Auras you control, and counters are modifications.)

Menace

Whenever this creature enters or attacks, create two 1/1 black Rat creature tokens with "This token can't block." Then if you control five or more Rats, each Rat you control gets +2/+0 until end of turn.