Reach
: Add or .
Whenever you cast a spell with mana value 4 or greater, untap this creature.
Some spiders feed on *other* spiders.
Illustrated by Helge C. Balzer · Marvel's Spider-Man · #148
There are no rulings for Spider Manifestation.
Trample
Whenever you cast a spell with mana value 4 or greater, put a +1/+1 counter on this creature.
Whenever you expend 4, put a +1/+1 counter on this creature. (You expend 4 as you spend your fourth total mana to cast spells during a turn.)
Whenever you cast a spell with mana value 4 or greater, this creature deals 2 damage to each opponent.
Haste (This creature can attack and as soon as it comes under your control.)
Whenever Ruby attacks while you control a creature with power 4 or greater, Ruby gets +2/+2 until end of turn.
: Add . When you spend this mana to cast a spell with mana value 6 or greater, draw a card.
Partner (You can have two commanders if both have partner.)
Whenever this creature attacks, add or . Until end of turn, you don't lose this mana as steps and phases end.
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)