RGW
Creature - Elf Druid (1/1)
When ~this~ enters the battlefield, you may Tap an untapped artifact you control. If you don't, destroy target artifact or enchantment. It can't be regenerated.
All attacking creatures get +1/+1

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1BB
Legendary Enchantment
When the number of basic land types among lands you control is 4, flip ~this~.
- - - - -
Legendary Enchantment
2(U/B)(U/B)(U/B): put a warp counter on ~this~
Remove a warp counter from ~this~: destroy target nonCleric creature

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1G
Legendary Creature - Beast (1/3)
T: target opponent gains 3 life
4G: target multicoloured creature can't be the target of Arcane spells (This effect doesn't end)
When ~this~ is put into a graveyard from the battlefield, you may Tap an untapped green enchantment you control. If you don't, destroy target creature with flying. It can't be regenerated.

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AlexChurchill/MagicCardGenerator