WUB
Artifact
Whenever a creature enters the battlefield, put a leak counter on ~this~. If ~this~ has five or more leak counters on it, flip it.
- - - - -
Legendary Artifact
4R: put a charge counter on ~this~
Remove a charge counter from ~this~: two target Myr are enchantments in addition to their other types until end of turn
4: two target token green creatures become the creature type of your choice until end of turn
When ~this~ is put into a graveyard from the battlefield, you may Tap an untapped Myr you control. If you do, target untapped land gains protection from tapped artifact creatures until end of turn and tap that permanent

---

2BWW
Artifact
Whenever a artifact enters the battlefield, put a charge counter on ~this~
Remove three charge counters from ~this~: two target nonmulticoloured creatures get +3/+3 until end of turn

---

WUBRG
Phayah Eson
Planeswalker - Phayah (Loyalty 1)
+1: destroy target creature
-3: destroy target nonblack creature
-3: draw a card for each Generated spell cast this turn

---

AlexChurchill/MagicCardGenerator