Warren Warleader

Valiant — Whenever this creature becomes the target of a spell or ability you control for the first time each turn, Mice you control get +1/+0 until end of turn. (This token's mana cost is W.)

When this creature enters, target creature you control gets +1/+1 until end of turn. (This token's mana cost is 2W.)

Defender

Flying When this creature enters, target creature you control gains flying until end of turn. (This token's mana cost is 2U.)

When this creature enters, tap up to one target creature and put a stun counter on it. (This token's mana cost is 3U.)

When this creature enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. (This token's mana cost is 1U.)