Mana Short

Tap all lands target player controls and that player loses all unspent mana.

Water Elemental

Draw three cards, then put two cards from your hand on top of your library in any order.

Search your library for a blue instant card, reveal that card, put it into your hand, then shuffle.

Whenever an opponent casts a creature spell, this enchantment deals 2 damage to that player unless they pay {2}.

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

{T}: Add {C}.
{T}: Draw a card. Activate only if you have exactly seven cards in hand.

Enchant creature
You control enchanted creature.

{T}: Add {C}.
{T}, Sacrifice this land: Destroy target land.

Discard X cards, then return a card from your graveyard to your hand for each card discarded this way. Exile Recall.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Psionic Blast deals 4 damage to any target and 2 damage to you.

Return target permanent to its owner's hand.

Return target creature to its owner's hand.