Creature and enchantment spells you control can't be countered. {3}{G}: Target land you control becomes an X/X Elemental creature with trample and haste until end of turn, where X is the number of enchantments you control. It's still a land.

Constellation — Whenever Eidolon of Blossoms or another enchantment enters the battlefield under your control, draw a card.

Bestow {2}{W}{W} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.) Eidolon of Countless Battles and enchanted creature each get +1/+1 for each creature you control and +1/+1 for each Aura you control.

Trample If you tap a permanent for mana, it produces three times as much of that mana instead.

Constellation — Whenever an enchantment enters the battlefield under your control, put a +1/+1 counter on Setessan Champion and draw a card.

Enchantment spells you cast cost {1} less to cast. Whenever an enchantment you control is put into a graveyard from the battlefield, put a +1/+1 counter on Starfield Mystic.

Whenever you cast an enchantment spell, you gain 1 life and draw a card.

Enchant creature Enchanted creature gets +2/+2 for each other enchantment on the battlefield.

Enchant creature Enchanted creature has double strike as long as it's an enchantment. Otherwise, prevent all damage that would be dealt by enchanted creature. (A creature with double strike deals both first-strike and regular combat damage.)

Enchant player Enchanted player can't cast more than one spell each turn.

Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional two mana in any combination of colors.

Whenever you cast an enchantment spell, draw a card.

Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.

Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional two mana in any combination of colors.

You may have Mirrormade enter the battlefield as a copy of any artifact or enchantment on the battlefield.

Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional {G}{G}.

Enchant player Creatures enchanted player controls lose all abilities and have base power and toughness 1/1. Enchanted player can't activate abilities that aren't mana abilities or loyalty abilities.

At the beginning of your upkeep, you may return target enchantment card from your graveyard to the battlefield. As long as you control five or more enchantments, each other non-Aura enchantment you control is a creature in addition to its other types and has base power and base toughness each equal to its mana value.

Players skip their untap steps. At the beginning of your upkeep, sacrifice Stasis unless you pay {U}.

Enchant player If a card would be put into enchanted player's graveyard from anywhere, instead that card is revealed and put on the bottom of that player's library.

({T}: Add {G}.)

{T}: Add {C}. {1}{W}, {T}: Put target enchantment card from your graveyard on top of your library.

({T}: Add {U}.)

Shroud (This creature can't be the target of spells or abilities.) Whenever you cast an enchantment spell, draw a card.

You may have Estrid's Invocation enter the battlefield as a copy of an enchantment you control, except it has "At the beginning of your upkeep, you may exile this enchantment. If you do, return it to the battlefield under its owner's control."

Other enchantments you control have shroud. (A permanent with shroud can't be the target of spells or abilities.) Enchanted creatures you control have shroud.

Enchant creature, land, or planeswalker Enchanted permanent is a colorless land with "{T}: Add {C}" and loses all other card types and abilities.