Prehistoric Pet

Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)

When this creature is turned face up, return another target permanent you control to its owner's hand and put a +1/+1 counter on this creature.

Flash (You may cast this spell any time you could cast an instant.)

Defender

When this creature enters, you may return another target creature you control to its owner's hand.

, : Tap another target creature. This ability costs less to activate if you control a creature with a +1/+1 counter on it.

This creature can't be blocked by creatures with power 4 or greater.

: Return target permanent you control to its owner's hand. If it has unearth, instead exile it, then return that card to its owner's hand. Activate only during your turn.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

Skrelv can't block.

, : Choose a color. Another target creature you control gains toxic 1 and hexproof from that color until end of turn. It can't be blocked by creatures of that color this turn. ( can be paid with either or 2 life.)