A series of cards that work based on math and geometry.
Point | Point guard
1
or Something
its a 1|1, it acts as a point for other spells. Its a Creature
Line | Line of Fire
Spell
2:
creates a Line Effect with a Point based on the point you target. This is probably built buy order of Point Placement.
Line Heals 3 damage to every creature in your line.
Line of Fire Deals 3 damage in the opponents field that mirrors the ones you are using in yours.
Triangulate
similar to Line, but creates a triangle for the area of effect
Quadrangle
like triangulate but uses four points.
Pentagle
five sided polygon area of effect
Hex
six sided area of effect.
Mirror | Reflect
a permanent that causes your geometrics to effect the enemy instead of you
Translate, moves the effect of a set of points to a new area based on target.
Hedron
make untargetable all creatures in area of effect
Anchor
Permanent that acts as a Point
Sine
deals damage equal to opponent based on angle of target point
Cosine
Heals HP to caster based on angle of target point
Tangent, attacks a creature on opponents field based on angle of target point
Elevate
Increase attack power of all creatures in your area of effect, if reflected, reduce that enemy attack
Iterate
Raise HP of all creatures in are of effect based on number of turns this stays in play. Has a 0 cost ability to sacrifice itself to activate, reduces HP if Reflected.
So, some ideas. Nothing uses more than one target, all other points are chosen based on the order they were placed relative to the single target you chose.
The idea is that it creates a system you can learn but is nort very transparent, that offers some complexity to build new effects.