RW
Enchantment
Discard a enchantment card, Pay 2 life: put a +1/+1 counter on target blue creature
When ~this~ enters the battlefield, any number of target Merfolk are enchantments in addition to their other types until end of turn

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4
Enchantment
Sacrifice ~this~: put three 4/4 blue and green Beast creature tokens with trample onto the battlefield
1, Pay 2 life, sacrifice three Beasts: return target permanent to its owner's hand
2GGWW: destroy all creatures with flying. They can't be regenerated.

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3
Instant
target opponent puts a 1/1 black Cleric creature token onto the battlefield

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AlexChurchill/MagicCardGenerator