B
Creature - Human Minion (2/1)
At the beginning of your upkeep, you may Sacrifice ~this~. If you do, all creatures with both power and toughness 7 get -1/-1 until end of turn
When ~this~ is put into a graveyard from the battlefield, target artifact gains protection from white until end of turn
T, Tap an untapped land you control: ~this~ can't be blocked except by creatures with both power and toughness X or more, where X is the amount of mana in an opponent's mana pool until end of turn
Pay 5 life: put three 1/1 black Cleric creature tokens onto the battlefield
4, sacrifice a Cleric for each artifact on the battlefield: ~this~ gets -4/-4 until end of turn

---

U
Creature - Human Rogue (3/1)
As long as an opponent controls a land, flying
When ~this~ enters the battlefield, put a time counter on target artifact
Discard a card: tap or untap target land with a time counter on it

---

WUBRG
Instant
up to three target Rogues gain flying until end of turn

---

AlexChurchill/MagicCardGenerator