Target player discards a card at random. Then that player discards another card at random unless they pay .

Enchant land
Enchanted land has ": Prevent the next 1 damage that would be dealt to any target this turn."

You may discard an Island card and another card rather than pay this spell's mana cost.
Counter target spell.

At the beginning of your upkeep, you may exile a land card from your graveyard. If you do, put a +1/+1 counter on target creature.

Prevent all damage that would be dealt to Glittering Lion.
: Until end of turn, Glittering Lion loses "Prevent all damage that would be dealt to Glittering Lion." Any player may activate this ability.

Prevent all damage that would be dealt to Glittering Lynx.
: Until end of turn, Glittering Lynx loses "Prevent all damage that would be dealt to Glittering Lynx." Any player may activate this ability.

Flash
Enchant creature
Enchanted creature gets -3/-0.

, , Discard two cards: Target player discards X cards at random.

When Gulf Squid enters the battlefield, tap all lands target player controls.

Hazy Homunculus can't be blocked as long as defending player controls an untapped land.

As Heightened Awareness enters the battlefield, discard your hand.
At the beginning of your draw step, draw an additional card.

Hollow Warrior can't attack or block unless you tap an untapped creature you control not declared as an attacking or blocking creature this combat. (This cost is paid as attackers or blockers are declared.)

At the beginning of each player's upkeep, that player mills a card. Then they create X 1/1 black Minion creature tokens, where X is the milled card's converted mana cost.

Inflame deals 2 damage to each creature dealt damage this turn.

Flying
Sacrifice two lands: Jeweled Spirit gains protection from artifacts or from the color of your choice until end of turn.

Flash
Enchant creature
: Regenerate enchanted creature.

, , Discard two cards: All lands target player controls become 3/3 creatures until end of turn. They're still lands.

, Sacrifice two lands: Destroy target land.

Trample
Keldon Battlewagon can't block.
When Keldon Battlewagon attacks, sacrifice it at end of combat.
Tap an untapped creature you control: Keldon Battlewagon gets +X/+0 until end of turn, where X is the power of the creature tapped this way.

Whenever Keldon Berserker attacks, if you control no untapped lands, it gets +3/+0 until end of turn.