Andrew Griffith

Voyager Glidecar

When this Vehicle enters, scry 1.
Tap three other untapped creatures you control: Until end of turn, this Vehicle becomes an artifact creature and gains flying. Put a +1/+1 counter on it.
Crew 1

Armor Wars

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — You may draw a card for each artifact you control. If you do, each opponent draws a card.
II — Artifact spells you cast this turn cost {1} less to cast.
III — This Saga deals X damage to target opponent, where X is the greatest mana value among artifacts you control.

Avengers: Under Siege

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Create two 2/1 black Villain creature tokens with menace.
II — This Saga deals 2 damage to each non-Villain creature and each opponent.
III — Create a Treasure token for each Villain you control.

Super Shredder

Menace
Whenever another permanent leaves the battlefield, put a +1/+1 counter on Super Shredder.

Leonardo, Sewer Samurai // Leonardo, Sewer Samurai

Leonardo, Sewer Samurai

Sneak {2}{W}{W}
Double strike
During your turn, you may cast creature spells with power or toughness 1 or less from your graveyard. If you cast a spell this way, that creature enters with a finality counter on it. (If a creature with a finality counter on it would die, exile it instead.)

Donatello, Mutant Mechanic

{T}: Put three +1/+1 counters on target artifact you control. If it isn't a creature, it becomes a 0/0 Robot creature in addition to its other types. Activate only as a sorcery.
Whenever an artifact you control is put into a graveyard from the battlefield, if it had counters on it, put those counters on up to one target artifact or creature you control.

Dark Leo & Shredder

Sneak {W}{B}
Attacking Ninjas you control have deathtouch.
Whenever Dark Leo & Shredder deal combat damage to a player, create a 1/1 black Ninja creature token. Then if you control five or more Ninjas, that player loses half their life, rounded up.

Seize the day . . . and anything else that happens to catch your eye.

Ripclaw Wrangler

When this Vehicle enters, each opponent discards a card.
Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)