Double strike Whenever an enchantment you control enters, you may create a token that's a copy of it, except the token isn't legendary and has exalted. Do this only once each turn.
Whenever you cast a noncreature spell, put an exalted counter on this enchantment. Whenever a creature you control attacks, draw X cards if its power is greater than 7, where X is the difference.
When this creature enters, create X green Subroutine enchantment tokens named MOUNT with “Whenever this Subroutine runs, target creature you control gets +2/+2 until end of turn.”
Whenever this creature deals combat damage to a player, create an X/X colorless Construct artifact creature token, where X is 1 plus the number of counters on this creature. {1}, Sacrifice an artifact or enchantment: Put a +1/+1 counter on this creature. It gains trample until end of turn.
When this land enters, sacrifice it. If you do, search your library for a basic Island or Mountain card, put it onto the battlefield tapped, then shuffle. {2}{U}{U}{R}{R}, Discard this card: It deals 3 damage to any target. Draw two cards, then discard a card.
When this creature enters, mill four cards. You may return a noncreature, nonland card milled this way to your hand. {1}{W}: This creature gets +1/+0 and gains first strike until end of turn.
Mev can't be blocked by creatures with greater power. Whenever Mev attacks, draw a card. Whenever Mev deals damage to a player, that player draws a card.
Ninjutsu {G} Whenever this creature deals combat damage to a player, put a +1/+1 counter on target creature you control that doesn't have a +1/+1 counter on it.
Ninjutsu {1}{G}{U} Whenever this creature deals combat damage to a player, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.