3UUU
Enchantment
When ~this~ enters the battlefield, counter target spell and return target blue creature to its owner's hand
At the beginning of your upkeep, the next time you would gain life this turn, you may Tap an untapped red permanent you control. If you do, instead return up to that many target green creatures to their owner's hand
U: clash with an opponent. If you win, any number of target creatures get -1/-0 until end of turn and those creatures gain ''When ~this~ is put into a graveyard from the battlefield, return target red permanent to its owner's hand'' (This effect doesn't end)
--Humanity pauses the scent yet explains more effectively than the dragon
– Eibose, Soldier Soldier



BRR
Creature - Beast (1/2)
When any player controls no creatures, flip ~this~.
Whenever one or more artifacts enters the battlefield, you may pay X, where X is the number of poison counters an opponent has. If you don't, put a improbability counter on target creature
2WUBRG, Sacrifice a creature with devour: put a improbability counter on target land
Each creature with a improbability counter on it gains ''Sacrifice ~this~: clash with an opponent. If you win, attach target Equipment to target Soldier. Gain control of that Equipment (This effect doesn't end)''
Each enchantment with a improbability counter on it gains ''At the beginning of your end step, all Dragons get +1/+0 until end of turn''
- - - - -
Legendary Enchantment
Enchant land
Discard a card: destroy all lands
Whenever enchanted land becomes the target of a spell or ability, put a improbability counter on ~this~
Tap an untapped Beast you control, remove a improbability counter from ~this~ for each card in an opponent's graveyard: target land gains ''Whenever you becomes the target of a white instant spell, copy target spell or ability and you may choose new targets for the copy'' (This effect doesn't end)
When ~this~ is put into a graveyard from the battlefield, you may pay X, where X is the amount of mana in your mana pool. If you do, target artifact creature gains ''All Beasts get +4/+0'' until end of turn
Threshold - If you have seven or more cards in your graveyard, All Goblins get +4/+0
When ~this~ is put into a graveyard from the battlefield, regenerate target white creature
4R, Sacrifice a Beast: ~this~ is black until end of turn


2UU
Instant
tap target nonblack creature and regenerate that permanent

AlexChurchill/MagicCardGenerator