Defender (This creature can't attack.)
: Wall of Fire gets +1/+0 until end of turn.

Flying
War Falcon can't attack unless you control a Knight or a Soldier.

When War Priest of Thune enters the battlefield, you may destroy target enchantment.

First strike (This creature deals combat damage before creatures without first strike.)

: Watercourser gets +1/-1 until end of turn.

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

As an additional cost to cast this spell, discard a card.
Draw two cards.

Flying

Target player discards their hand.

Exile all permanents. Exile all cards from all hands and graveyards. Each player's life total becomes 1.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)
, : Put a petrification counter on target creature. It gains defender and becomes a colorless artifact in addition to its other types. Its activated abilities can't be activated. (A creature with defender can't attack.)

When Yeva's Forcemage enters the battlefield, target creature gets +2/+2 until end of turn.

Flash (You may cast this spell any time you could cast an instant.)
You may cast green creature spells as though they had flash.